Product Description
TOP
Product Description
| Unit NO. | Dimensions(mm/in.) | Bearing NO. | Housing NO. | Weight (kg) |
|||||||||||
| d | h | a | e | b | s2 | s1 | g | w | t | B | n | ||||
| SS-UCP205 | 25 | 36.5 | 140 | 105 | 38 | 19 | 13 | 15 | 71 | 48 | 34.1 | 14.3 | SS-UC205 | P205 | 0.76 |
| SS-UCP 204-12 | 3/4 | 1-5/16 | 5 | 3-3/4 | 1-1/2 | 3/4 | 1/2 | 9/16 | 2-9/16 | 1-3/4 | 1.2205 | 0.5 | SS-UC204-12 | P204 | 0.64 |
| SS-UCP204 | 20 | 33.3 | 127 | 95 | 38 | 19 | 13 | 14 | 65 | 44.5 | 31 | 12.7 | SS-UC204 | P204 | 0.64 |
| SS-UCP 203-11 | 11/16 | 1-3/16 | 5 | 3-3/4 | 1-1/2 | 3/4 | 1/2 | 9/16 | 2-7/16 | 1-3/4 | 1.2205 | 0.5 | SS-UC203-11 | P203 | 0.62 |
| SS-UCP203 | 17 | 30.2 | 127 | 95 | 38 | 19 | 13 | 14 | 62 | 44.5 | 31 | 12.7 | SS-UC203 | P203 | 0.63 |
| SS-UCP 202-10 | 5/8 | 1-3/16 | 5 | 3-3/4 | 1-1/2 | 3/4 | 1/2 | 9/16 | 2-7/16 | 1-3/4 | 1.2205 | 0.5 | SS-UC202-10 | P202 | 0.64 |
| SS-UCP 202-9 | 9/16 | 1-3/16 | 5 | 3-3/4 | 1-1/2 | 3/4 | 1/2 | 9/16 | 2-7/16 | 1-3/4 | 1.2205 | 0.5 | SS-UC202-9 | P202 | 0.64 |
| SS-UCP202 | 15 | 30.2 | 127 | 95 | 38 | 19 | 13 | 14 | 62 | 44.5 | 31 | 12.7 | SS-UC202 | P202 | 0.64 |
| SS-UCP 201-8 | 1/2 | 1-3/16 | 5 | 3-3/4 | 1-1/2 | 3/4 | 1/2 | 9/16 | 2-7/16 | 1-3/4 | 1.2205 | 0.5 | SS-UC201-8 | P201 | 0.64 |
| SS-UCP201 | 12 | 30.2 | 127 | 95 | 38 | 19 | 13 | 14 | 62 | 44.5 | 31 | 12.7 | SS-UC201 | P201 | 0.65 |
| Unit NO. | Dimensions(mm/in.) | Weight (kg) |
|||||||||||
| d | h | a | e | b | s2 | s1 | g | w | t | B | n | ||
| SS-UCP 209-27 | 1-11/16 | 2-1/8 | 7-15/32 | 5-3/4 | 2-1/8 | 25/32 | 43/64 | 25/32 | 4-11/64 | 2-23/32 | 1.937 | 0.748 | 2.12 |
| SS-UCP 209-26 | 1-5/8 | 2-1/8 | 7-15/32 | 5-3/4 | 2-1/8 | 25/32 | 43/64 | 25/32 | 4-11/64 | 2-23/32 | 1.937 | 0.748 | 2.16 |
| SS-UCP209 | 45 | 54 | 190 | 146 | 54 | 20 | 17 | 20 | 106 | 69 | 49.2 | 19 | 2.06 |
| SS-UCP 208-25 | 1-9/16 | 1-15/16 | 7-1/4 | 5-13/32 | 2-1/8 | 25/32 | 43/64 | 45/64 | 3-15/16 | 2-23/32 | 1.937 | 0.748 | 1.87 |
| SS-UCP 208-24 | 1-1/2 | 1-15/16 | 7-1/4 | 5-13/32 | 2-1/8 | 25/32 | 43/64 | 45/64 | 3-15/16 | 2-23/32 | 1.937 | 0.748 | 1.9 |
| SS-UCP208 | 40 | 49.2 | 184 | 137 | 54 | 20 | 17 | 18 | 100 | 69 | 49.2 | 19 | 1.86 |
| SS-UCP 207-23 | 1-7/16 | 1-7/8 | 6-9/16 | 5 | 1-7/8 | 25/32 | 43/64 | 45/64 | 3-21/32 | 2-11/32 | 1.689 | 0.689 | 1.44 |
| SS-UCP 207-22 | 1-3/8 | 1-7/8 | 6-9/16 | 5 | 1-7/8 | 25/32 | 43/64 | 45/64 | 3-21/32 | 2-11/32 | 1.689 | 0.689 | 1.47 |
| SS-UCP 207-21 | 1-5/16 | 1-7/8 | 6-9/16 | 5 | 1-7/8 | 25/32 | 43/64 | 45/64 | 3-21/32 | 2-11/32 | 1.689 | 0.689 | 1.5 |
| SS-UCP 207-20 | 1-1/4 | 1-7/8 | 6-9/16 | 5 | 1-7/8 | 25/32 | 43/64 | 45/64 | 3-21/32 | 2-11/32 | 1.689 | 0.689 | 1.53 |
| SS-UCP207 | 35 | 47.6 | 167 | 127 | 48 | 20 | 17 | 18 | 93 | 59.5 | 42.9 | 17.5 | 1.46 |
| SS-UCP 206-20 | 1-1/4 | 1-11/16 | 6-19/64 | 4-3/4 | 1-47/64 | 25/32 | 43/64 | 21/32 | 3-5/16 | 2-5/64 | 1.5 | 0.626 | 1.19 |
| SS-UCP 206-19 | 1-3/16 | 1-11/16 | 6-19/64 | 4-3/4 | 1-47/64 | 25/32 | 43/64 | 21/32 | 3-5/16 | 2-5/64 | 1.5 | 0.626 | 1.2 |
| SS-UCP 206-18 | 1-1/8 | 1-11/16 | 6-19/64 | 4-3/4 | 1-47/64 | 25/32 | 43/64 | 21/32 | 3-5/16 | 2-5/64 | 1.5 | 0.626 | 1.22 |
| SS-UCP 206-17 | 1-1/16 | 1-11/16 | 6-19/64 | 4-3/4 | 1-47/64 | 25/32 | 43/64 | 21/32 | 3-5/16 | 2-5/64 | 1.5 | 0.626 | 1.21 |
| SS-UCP206 | 30 | 42.9 | 160 | 121 | 44 | 20 | 17 | 17 | 84 | 53 | 38.1 | 15.9 | 1.2 |
| SS-UCP 205-16 | 1 | 1-7/16 | 5-1/2 | 4-1/8 | 1-1/2 | 3/4 | 1/2 | 19/32 | 2-25/32 | 1-57/64 | 1.3425 | 0.563 | 0.76 |
| SS-UCP 205-15 | 15/16 | 1-7/16 | 5-1/2 | 4-1/8 | 1-1/2 | 3/4 | 1/2 | 19/32 | 2-25/32 | 1-57/64 | 1.3425 | 0.563 | 0.77 |
| SS-UCP 205-14 | 7/8 | 1-7/16 | 5-1/2 | 4-1/8 | 1-1/2 | 3/4 | 1/2 | 19/32 | 2-25/32 | 1-57/64 | 1.3425 | 0.563 | 0.79 |
| SS-UCP 205-13 | 13/16 | 1-7/16 | 5-1/2 | 4-1/8 | 1-1/2 | 3/4 | 1/2 | 19/32 | 2-25/32 | 1-57/64 | 1.3425 | 0.563 | 0.8 |
| Unit NO. | Dimensions(mm/in.) | Weight (kg) |
|||||||||||
| d | h | a | e | b | s2 | s1 | g | w | t | B | n | ||
| SS-UCP214 | 70 | 79.4 | 266 | 210 | 72 | 28 | 25 | 27 | 156 | 98 | 74.6 | 30.2 | 5.86 |
| SS-UCP 213-41 | 2-9/16 | 3 | 10-7/16 | 8 | 2-3/4 | 1-3/32 | 63/64 | 1-1/16 | 5-29/32 | 3-1/2 | 2.563 | 1 | 5.35 |
| SS-UCP 213-40 | 2-1/2 | 3 | 10-7/16 | 8 | 2-3/4 | 1-3/32 | 63/64 | 1-1/16 | 5-29/32 | 3-1/2 | 2.563 | 1 | 5.44 |
| SS-UCP213 | 65 | 76.2 | 265 | 203 | 70 | 28 | 25 | 27 | 150 | 89 | 65.1 | 25.4 | 5.35 |
| SS-UCP 212-39 | 2-7/16 | 2-3/4 | 9-1/2 | 7-1/4 | 2-3/4 | 29/32 | 25/32 | 63/64 | 5-7/16 | 3-1/2 | 2.563 | 1 | 4.35 |
| SS-UCP 212-38 | 2-3/8 | 2-3/4 | 9-1/2 | 7-1/4 | 2-3/4 | 29/32 | 25/32 | 63/64 | 5-7/16 | 3-1/2 | 2.563 | 1 | 4.42 |
| SS-UCP 212-37 | 2-5/16 | 2-3/4 | 9-1/2 | 7-1/4 | 2-3/4 | 29/32 | 25/32 | 63/64 | 5-7/16 | 3-1/2 | 2.563 | 1 | 4.49 |
| SS-UCP 212-36 | 2-1/4 | 2-3/4 | 9-1/2 | 7-1/4 | 2-3/4 | 29/32 | 25/32 | 63/64 | 5-7/16 | 3-1/2 | 2.563 | 1 | 4.57 |
| SS-UCP212 | 60 | 69.8 | 241 | 184 | 70 | 23 | 20 | 25 | 138 | 89 | 65.1 | 25.4 | 4.4 |
| SS-UCP 211-35 | 2-3/16 | 2-1/2 | 8-5/8 | 6-47/64 | 2-3/8 | 29/32 | 25/32 | 29/32 | 4-59/64 | 3 | 2.189 | 0.874 | 3.21 |
| SS-UCP 211-34 | 2-1/8 | 2-1/2 | 8-5/8 | 6-47/64 | 2-3/8 | 29/32 | 25/32 | 29/32 | 4-59/64 | 3 | 2.189 | 0.874 | 3.28 |
| SS-UCP 211-33 | 2-1/16 | 2-1/2 | 8-5/8 | 6-47/64 | 2-3/8 | 29/32 | 25/32 | 29/32 | 4-59/64 | 3 | 2.189 | 0.874 | 3.32 |
| SS-UCP 211-32 | 2 | 2-1/2 | 8-5/8 | 6-47/64 | 2-3/8 | 29/32 | 25/32 | 29/32 | 4-59/64 | 3 | 2.189 | 0.874 | 3.38 |
| SS-UCP211 | 55 | 63.5 | 219 | 171 | 60 | 23 | 20 | 23 | 125 | 76 | 55.6 | 22.2 | 3.23 |
| SS-UCP 210-32 | 2 | 2-1/4 | 8-1/8 | 6-1/4 | 2-3/8 | 29/32 | 25/32 | 53/64 | 4-29/64 | 2-15/16 | 2.571 | 0.748 | 2.59 |
| SS-UCP 210-31 | 1-15/16 | 2-1/4 | 8-1/8 | 6-1/4 | 2-3/8 | 29/32 | 25/32 | 53/64 | 4-29/64 | 2-15/16 | 2.571 | 0.748 | 2.63 |
| SS-UCP 210-30 | 1-7/8 | 2-1/4 | 8-1/8 | 6-1/4 | 2-3/8 | 29/32 | 25/32 | 53/64 | 4-29/64 | 2-15/16 | 2.571 | 0.748 | 2.68 |
| SS-UCP 210-29 | 1-13/16 | 2-1/4 | 8-1/8 | 6-1/4 | 2-3/8 | 29/32 | 25/32 | 53/64 | 4-29/64 | 2-15/16 | 2.571 | 0.748 | 2.73 |
| SS-UCP210 | 50 | 57.2 | 206 | 159 | 60 | 23 | 20 | 21 | 113 | 74.5 | 51.6 | 19 | 2.61 |
| SS-UCP 209-28 | 1-3/4 | 2-1/8 | 7-15/32 | 5-3/4 | 2-1/8 | 25/32 | 43/64 | 25/32 | 4-11/64 | 2-23/32 | 1.937 | 0.748 | 2.08 |
| Unit NO. | Dimensions(mm/in.) | Weight (kg) |
|||||||||||
| d | h | a | e | b | s2 | s1 | g | w | t | B | n | ||
| SS-UCP 220-64 | 4 | 4-17/32 | 14-61/64 | 12-1/8 | 3-47/64 | 1-27/64 | 1-3/16 | 1-37/64 | 8-55/64 | 4.252 | 1.6535 | 16 | |
| SS-UCP220 | 100 | 115 | 380 | 308 | 95 | 36 | 30 | 40 | 225 | 108 | 42 | 16 | |
| SS-UCP 218-56 | 3-1/2 | 4 | 12-7/8 | 10-5/16 | 3-15/32 | 1-3/16 | 1-1/16 | 1-19/64 | 7-51/64 | 4-27/32 | 3.7795 | 1.563 | 11.7 |
| SS-UCP218 | 90 | 101.6 | 327 | 262 | 88 | 30 | 27 | 33 | 198 | 123 | 96 | 39.7 | 11.59 |
| SS-UCP 217-55 | 3-7/16 | 3-3/4 | 12-13/64 | 9-23/32 | 3-17/64 | 1-3/32 | 63/64 | 1-1/4 | 7-9/32 | 4-29/64 | 3.374 | 1.343 | 9.35 |
| SS-UCP 217-53 | 3-5/16 | 3-3/4 | 12-13/64 | 9-23/32 | 3-17/64 | 1-3/32 | 63/64 | 1-1/4 | 7-9/32 | 4-29/64 | 3.374 | 1.343 | 9.64 |
| SS-UCP 217-52 | 3-1/4 | 3-3/4 | 12-13/64 | 9-23/32 | 3-17/64 | 1-3/32 | 63/64 | 1-1/4 | 7-9/32 | 4-29/64 | 3.374 | 1.343 | 9.68 |
| SS-UCP217 | 85 | 95.2 | 310 | 247 | 83 | 28 | 25 | 32 | 185 | 113.2 | 85.7 | 34.1 | 9.56 |
| SS-UCP 216-51 | 3-3/16 | 3-1/2 | 11-1/2 | 9-1/8 | 3-1/16 | 1-3/32 | 63/64 | 1-3/16 | 6-27/32 | 4-19/64 | 3.252 | 1.311 | 7.78 |
| SS-UCP 216-50 | 3-1/8 | 3-1/2 | 11-1/2 | 9-1/8 | 3-1/16 | 1-3/32 | 63/64 | 1-3/16 | 6-27/32 | 4-19/64 | 3.252 | 1.311 | 7.91 |
| SS-UCP 216-49 | 3-1/16 | 3-1/2 | 11-1/2 | 9-1/8 | 3-1/16 | 1-3/32 | 63/64 | 1-3/16 | 6-27/32 | 4-19/64 | 3.252 | 1.311 | 8.04 |
| SS-UCP216 | 80 | 88.9 | 292 | 232 | 78 | 28 | 25 | 30 | 174 | 109 | 82.6 | 33.3 | 7.86 |
| SS-UCP 215-48 | 3 | 3-1/4 | 10-53/64 | 8-35/64 | 2-29/32 | 1-3/32 | 63/64 | 1-3/32 | 6-3/8 | 3-57/64 | 3.063 | 1.311 | 6.39 |
| SS-UCP 215-47 | 2-15/16 | 3-1/4 | 10-53/64 | 8-35/64 | 2-29/32 | 1-3/32 | 63/64 | 1-3/32 | 6-3/8 | 3-57/64 | 3.063 | 1.311 | 6.59 |
| SS-UCP 215-46 | 2-7/8 | 3-1/4 | 10-53/64 | 8-35/64 | 2-29/32 | 1-3/32 | 63/64 | 1-3/32 | 6-3/8 | 3-57/64 | 3.063 | 1.311 | 6.7 |
| SS-UCP 215-45 | 2-13/16 | 3-1/4 | 10-53/64 | 8-35/64 | 2-29/32 | 1-3/32 | 63/64 | 1-3/32 | 6-3/8 | 3-57/64 | 3.063 | 1.311 | 6.45 |
| SS-UCP215 | 75 | 82.6 | 275 | 217 | 74 | 28 | 25 | 28 | 162 | 99 | 77.8 | 33.3 | 6.45 |
| SS-UCP 214-44 | 2-3/4 | 3-1/8 | 10-15/32 | 8-17/64 | 2-27/32 | 1-3/32 | 63/64 | 1-1/16 | 6-9/64 | 3-55/64 | 2.937 | 1.189 | 5.87 |
| SS-UCP 214-43 | 2-11/16 | 3-1/8 | 10-15/32 | 8-17/64 | 2-27/32 | 1-3/32 | 63/64 | 1-1/16 | 6-9/64 | 3-55/64 | 2.937 | 1.189 | 5.97 |
| SS-UCP 214-42 | 2-5/8 | 3-1/8 | 10-15/32 | 8-17/64 | 2-27/32 | 1-3/32 | 63/64 | 1-1/16 | 6-9/64 | 3-55/64 | 2.937 | 1.189 | 6.07 |
Inch size SSUCP202-10 miniature stainless steel pillow block bearing unit is consist of Stainless steel insert bearing SSUC202-10 And Stainless steel bearing housing SSP202, The bearing unit bore is 5/8 inch size which is the same dimension with the mounted bearing unit UCP202-10 With cast iron housing.
Stainless steel bearing unit is composed of a stainless steel insert bearing and a stainless steel pillow block. The stainless steel bearing rings and rolling elements are made of 440C stainless steel (9Cr18Mo, 9Cr18). They are vacuum quenched and tempered, and the cage and seal ring skeleton are used. The material is 304 stainless steel (0Cr18Ni9). Compared with ordinary bearing steel, stainless steel bearings have stronger rust and corrosion resistance. Choose appropriate lubricants and dust caps, etc., and can be used in the environment of -60 ºC ~ + 300 ºC. Stainless steel bearing unit are resistant to moisture and corrosion caused by several other media. This type of ball bearing unit is similar to the standard deep groove ball bearing made of carbon chromium (rolling bearing) steel. It has a deep bearing raceway groove and the degree of cooperation between the bearing raceway and the ball is extremely high. Stainless steel bearings unit are widely used in food processing, medical equipment, and pharmaceutical machinery because of their high mechanical strength and large load capacity.
Packaging & Shipping
HOT SALE
FQN can supply Complete series Mounted Ball Bearing Unit as follows:
1. Pillow block bearing 2. 4-Bolt Flange unit 3. 2-Bolt Flange unit
4. Ajustable 2-Bolt Flange unit 5. 3-Bolt Flange unit 6. 4-Bolt Flange Cartridge unit
7. Take-up units 8. Section steel frame Take-up units 9. Channel steel frame take-up units
10. steel plate frame take-up units 11. Cartridge units 12. Hanger Units
Company Profile
ZheJiang Guanxian fenqi Bearing Co., Ltd. (registered trademark FQN), located in Guanxian Industrial Park, ZheJiang Province,
is a professional manufacturer of mounted ball bearing UCP, UCF, UCFL, UCFC, UCFB, UCPA, UCFA, UCFS, UCPH with cast
iron housing, and mount bearing unit SUCP, SUCF, SUCFL, SUCH with stainless steel housing, as well as the insert bearing UC, UK, HC, SB, SA types, all the above mentioned we can supply metric and inch size standard, which are produced
in strict accordance with the international quality system standard with excellent equipment and perfect detection means.
High precision, high performance and high reliability are the tenets we always adhere to. Excellent product quality and zero quality
defects are our goal.
Our Exhibition
ZheJiang Guanxian Fenqi Bearing Co., Ltd. often participates in the ZheJiang International Bearing Exhibition.
FAQ
1.Can I get your some samples?Is it free or charged?
A: Yes,we can offer some pieces of samples, but the express cost is chanrged.
2.Could you accept OEM and customize?
A:Yes,we can customize for you according to sample or drawing.
3.How long is your delivery time?
A: Generally takes about 7-15 working days for production based on specifications for your order and quantity. In stock bearings can arrange shipment immediately once after payment received.
4.Is your company factory or Trade/Trading Company?/Are you trading company or manufacturer?
A: Our company integrates production, trade, investment and sales.
5.What about the delivery?
A: By express (DHL, UPS, FEDEX, TNT, EMS) to your door, By sea to your nearest port; By air to your nearest airport.
6.What’s the lead time?
A: 3-7 days for samples, 3-4 weeks for mass production.
7.Dose your factory have any certificate?
A: Yes.we have ISO 9001:2008,IQNET and SGS. If you want other like CE,we can do for you.
8.Do you have stock for all item?
A: Yes, we have sufficient stock and can do fast delivery.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Aligning: | Non-Aligning Bearing |
|---|---|
| Separated: | Separated |
| Feature: | Vacuum, Magnetically, Low Temperature, Corrosion Resistant, High Temperature, High Speed |
| Rows Number: | Single |
| Raceway: | Deep Groove Raceway |
| Material: | Bearing Steel |
| Samples: |
US$ 0.3/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

How long do UCP bearings last?
The lifespan of UCP bearings, also known as pillow block bearings, can vary depending on several factors. Here’s a detailed explanation of the factors that can influence the longevity of UCP bearings:
- Operating Conditions: The operating conditions play a significant role in the lifespan of UCP bearings. Factors such as the load magnitude, speed, temperature, and environmental conditions can impact the bearing’s performance and durability. Bearings operating under heavy loads, high speeds, or in harsh environments may experience increased wear and fatigue, potentially reducing their lifespan.
- Maintenance and Lubrication: Proper maintenance practices, including regular inspection, cleaning, and lubrication, can significantly extend the lifespan of UCP bearings. Adequate lubrication forms a protective film between the rolling elements and the bearing races, reducing friction and wear. Insufficient or improper lubrication can lead to increased friction, heat generation, and premature failure of the bearings.
- Quality and Material: The quality and material composition of UCP bearings can influence their lifespan. Bearings made from high-quality materials, such as stainless steel or chrome steel, are generally more resistant to wear, corrosion, and fatigue. Careful selection of UCP bearings from reputable manufacturers, considering factors like load ratings and performance specifications, can contribute to longer bearing life.
- Installation and Alignment: Proper installation and alignment of UCP bearings are critical for their longevity. Ensuring correct shaft and housing fits, accurate alignment of the bearing components, and appropriate tightening of locking mechanisms help distribute loads evenly and prevent excessive stress or misalignment. Improper installation can lead to premature wear, increased friction, and reduced bearing life.
- Application-Specific Factors: The specific application in which UCP bearings are used can influence their lifespan. Factors like shock loads, vibration, contamination, and the presence of corrosive substances can affect bearing performance and durability. Adequate protection measures, such as seals or shields, can help mitigate these factors and prolong bearing life.
Given these factors, it can be challenging to provide an exact lifespan for UCP bearings. In some applications, UCP bearings can last for many years or even decades if properly maintained and operated within their specified limits. However, in demanding or unfavorable conditions, the lifespan of UCP bearings may be shorter, requiring more frequent inspection and replacement.
It’s important to monitor the condition of UCP bearings regularly and look for signs of wear, damage, or performance degradation. Any unusual noise, excessive vibration, increased temperature, or other signs of bearing failure should be addressed promptly to avoid further damage to the bearings and the machinery they support.
Consulting the manufacturer’s documentation, maintenance guidelines, or seeking advice from bearing experts can provide more specific information regarding the expected lifespan of UCP bearings in a particular application or operating environment.

What materials are UCP bearings made of?
UCP bearings, also known as pillow block bearings, are manufactured using various materials to meet specific performance requirements and application needs. The materials used for UCP bearings include:
- Bearing Housing: The bearing housing, which provides the outer structure and support for the bearing, is typically made of materials such as cast iron, ductile iron, or cast steel. These materials offer excellent strength, rigidity, and durability, making them suitable for handling heavy loads and withstanding demanding operating conditions.
- Bearing Insert: The bearing insert, also known as the inner ring or the rolling element, is made of different materials depending on the application requirements. Common materials used for bearing inserts include:
- Chrome Steel: Chrome steel, also known as bearing steel, is a widely used material for bearing inserts. It offers good hardness, toughness, and wear resistance, making it suitable for a broad range of applications.
- Stainless Steel: Stainless steel bearing inserts are used when corrosion resistance is a priority. Stainless steel offers excellent resistance to moisture, chemicals, and other corrosive substances, making it suitable for applications in harsh or corrosive environments.
- Ceramic: Ceramic bearing inserts, typically made of materials such as silicon nitride or zirconia, are used in specialized applications that require high-speed operation, extreme temperature resistance, or electrical insulation properties. Ceramic inserts offer low friction, high stiffness, and resistance to wear and corrosion.
- Thermoplastic: Thermoplastic bearing inserts, often made of materials like polyamide or PBT (polybutylene terephthalate), are used in applications where lightweight, chemical resistance, or low noise operation is required. Thermoplastic inserts can offer good load-bearing capacity and self-lubricating properties.
The specific material selection for UCP bearings depends on factors such as load capacity, operating conditions, environmental factors, and cost considerations. It’s important to consult the manufacturer’s documentation or specifications for the specific material options available for a particular UCP bearing model.
In summary, UCP bearings are typically made of materials such as cast iron, ductile iron, or cast steel for the housing, while the bearing insert can be made of materials like chrome steel, stainless steel, ceramic, or thermoplastic. The choice of materials depends on the specific application requirements and the desired performance characteristics.

How is a UCP bearing different from other types of bearings?
A UCP bearing, also known as a pillow block bearing, has distinct characteristics that set it apart from other types of bearings. While bearings serve the common purpose of facilitating motion and reducing friction, UCP bearings have specific design features that make them unique. Here’s a detailed explanation:
1. Pillow Block Design: One key difference is the design of the housing. UCP bearings have a pillow block design, which refers to the shape of the housing. The housing is typically a solid, one-piece structure shaped like a pillow or block, with a flat base and mounting holes. This design allows for easy installation and mounting on a support structure or machine.
2. Mounted Bearing: UCP bearings are mounted bearings, meaning they are preassembled units that combine a bearing unit with a housing. The bearing unit consists of a rolling element bearing, such as a ball bearing or a roller bearing, which enables smooth and low-friction motion. The housing provides support and protection for the bearing unit.
3. Support Structure: UCP bearings are commonly used in applications where a shaft needs to be supported and allowed to rotate or move linearly. The housing of a UCP bearing serves as a support structure for the bearing unit and provides a stable platform for the shaft to operate.
4. Easy Installation: UCP bearings are designed for easy installation. The housing’s flat base and pre-drilled mounting holes allow for straightforward attachment to a support structure or machine. This ease of installation simplifies the setup process and reduces downtime.
5. Application Versatility: UCP bearings are widely used in various applications across different industries. They are commonly found in conveyor systems, agricultural machinery, industrial equipment, HVAC systems, and more. The versatility of UCP bearings makes them suitable for a range of motion control and power transmission applications.
6. Specific Load Capacity: UCP bearings have specific load capacity ratings depending on the type and size of the bearing unit used within the UCP assembly. These bearings can support both radial and axial loads, allowing them to accommodate different load requirements in various applications.
7. Protection and Contamination Resistance: The housing of a UCP bearing provides protection to the bearing unit against contaminants, moisture, and other external elements. This helps extend the bearing’s service life and maintain its performance in challenging operating conditions.
8. Alignment Compensation: UCP bearings often have self-aligning capabilities. This means they can compensate for minor misalignments between the shaft and the housing. The ability to accommodate slight misalignments reduces stress and wear on the bearing, enhancing its reliability and longevity.
It’s important to note that UCP bearings are just one type of bearing available in the market. Other types, such as deep groove ball bearings, spherical roller bearings, cylindrical roller bearings, and tapered roller bearings, have their own unique designs and applications. The selection of the most suitable bearing type depends on factors such as the specific application requirements, load conditions, operating speeds, and environmental considerations.
In summary, UCP bearings, with their pillow block design, mounted bearing configuration, easy installation, versatility, load capacity, protection features, and alignment compensation capabilities, offer distinct advantages in motion control and power transmission applications.


editor by CX 2024-03-03