Pillow Block Units
UCPX20-400 Pillow Block Unit
4 inch (101.6 mm) shaft
UCPX20-400 is a pillow block unit in the UCPX series for a 4 inch (101.6 mm) shaft. It combines a cast iron housing with a UCX20-400 insert bearing and set screw locking. Key dimensions: H 127 mm, L 432 mm, J 337 mm, A 121 mm, N 33 mm, N1 36 mm.
Brands: NTN, FAG, SKF, FYH, Asahi, DTC, SLS
UCPX20-400 Specifications
| Shaft Dia. | 4 in (101.6 mm) |
|---|---|
| Unit Number | UCPX20-400 |
| H (Shaft Centre Height) | 127 mm |
| L (Overall Length) | 432 mm |
| J (Bolt Hole Spacing) | 337 mm |
| A | 121 mm |
| N (Bolt Slot Width) | 33 mm |
| N1 (Bolt Slot Length) | 36 mm |
| H1 | 45 mm |
| H2 | 244 mm |
| L1 | 125 mm |
| B (Inner Ring Width) | 117.5 mm |
| S | 49.2 mm |
| Bolt Size | M27 |
| Bearing Insert No. | UCX20-400 |
| Housing material | Cast iron |
| Locking | Set screw |
| Series | UCPX Series Wide Pillow Block Units |
Dimensions and part numbers per manufacturer technical catalogue, set-screw locking type. Uses wide-width (X-series) bearing inserts, not interchangeable with standard UC2xx inserts.
Other Mounted Units for a 4 inch (101.6 mm) Shaft
| Unit Number | Type | Insert Bearing |
|---|---|---|
| UCP320-400 | Pillow Block Units | UC320-400 |
| UCIP320-400 | Pillow Block Units | UC320-400 |
| UELP320-400 | Pillow Block Units | — |
| UCF320-400 | Flanged Units | UC320-400 |
| UCFX20-400 | Flanged Units | UCX20-400 |
| UCFS320-400 | Flanged Units | — |
| UCFCX20-400 | Flanged Units | UCX20-400 |
| UCFL320-400 | Flanged Units | UC320-400 |
| UCT320-400 | Take-Up Units | — |
| UELT320-400 | Take-Up Units | — |
Neighbouring Sizes in the UCPX Series
UCPX20-400 — Frequently Asked Questions
What shaft size does the UCPX20-400 fit?
The UCPX20-400 fits a 4 inch (101.6 mm) shaft. Its insert bearing is the UCX20-400.
What is the UCPX20-400 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 4 inch (101.6 mm) shaft?
Other units for a 4 inch (101.6 mm) shaft include UCP320-400, UCIP320-400, UELP320-400, UCF320-400, UCFX20-400. 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 UCPX20-400 across India?
Yes. Logass Trade Centre supplies the UCPX20-400 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 UCPX20-400?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.