Pillow Block Units
UCP311-203 Pillow Block Unit
2-3/16 inch (55.6 mm) shaft
UCP311-203 is a pillow block unit in the UCP3 series for a 2-3/16 inch (55.6 mm) shaft. It combines a cast iron housing with a UC311-203 insert bearing and set screw locking. Key dimensions: H 80 mm, L 310 mm, J 236 mm, A 80 mm, N 20 mm, N1 38 mm.
Brands: NTN, FAG, SKF, FYH, Asahi, DTC, SLS
UCP311-203 Specifications
| Shaft Dia. | 2-3/16 in (55.6 mm) |
|---|---|
| Unit Number | UCP311-203 |
| H (Shaft Centre Height) | 80 mm |
| L (Overall Length) | 310 mm |
| J (Bolt Hole Spacing) | 236 mm |
| A | 80 mm |
| N (Bolt Slot Width) | 20 mm |
| N1 (Bolt Slot Length) | 38 mm |
| H1 | 30 mm |
| H2 | 154 mm |
| L1 | 85 mm |
| B (Inner Ring Width) | 66 mm |
| S | 25 mm |
| Bolt Size | M16 |
| Bearing Insert No. | UC311-203 |
| Housing material | Cast iron |
| Locking | Set screw |
| Series | UCP3 Series Pillow Block Units (Large Bore) |
Dimensions and part numbers per manufacturer technical catalogue, set-screw locking type.
Other Mounted Units for a 2-3/16 inch (55.6 mm) Shaft
| Unit Number | Type | Insert Bearing |
|---|---|---|
| UCP211-203 | Pillow Block Units | UC211-203 |
| UCPX11-203 | Pillow Block Units | UCX11-203 |
| UCPL211-203 | Pillow Block Units | UC211-203 |
| UCIP211-203 | Pillow Block Units | UC211-203 |
| UELP211-203 | Pillow Block Units | — |
| UELP311-203 | Pillow Block Units | — |
| UELPL211-203 | Pillow Block Units | — |
| AELPL211-203 | Pillow Block Units | — |
| JELPL211-203 | Pillow Block Units | — |
| UCF211-203 | Flanged Units | UC211-203 |
Neighbouring Sizes in the UCP3 Series
UCP311-203 — Frequently Asked Questions
What shaft size does the UCP311-203 fit?
The UCP311-203 fits a 2-3/16 inch (55.6 mm) shaft. Its insert bearing is the UC311-203.
What is the UCP311-203 made of and how is it locked to the shaft?
It has a cast iron housing and set screw locking on the insert bearing.
What other mounted units fit a 2-3/16 inch (55.6 mm) shaft?
Other units for a 2-3/16 inch (55.6 mm) shaft include UCP211-203, UCPX11-203, UCPL211-203, UCIP211-203, UELP211-203. They differ in housing style — pillow block, flange, take-up, cartridge or hanger — so pick the one that matches your mounting.
Do you supply the UCP311-203 across India?
Yes. Logass Trade Centre supplies the UCP311-203 Pan India with technical support, from single pieces to bulk orders. Use the quote button to share your quantity and preferred brand.
Can’t find your size?
We supply sizes, brands and special versions of mounted bearing units that are not listed on this page. Type the exact size or designation you need and send it to us for a quote.
Need pricing on the UCP311-203?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.