Pillow Block Units
UCPX18-308 Pillow Block Unit
3-1/2 inch (88.9 mm) shaft
UCPX18-308 is a pillow block unit in the UCPX series for a 3-1/2 inch (88.9 mm) shaft. It combines a cast iron housing with a UCX18-308 insert bearing and set screw locking. Key dimensions: H 101.6 mm, L 381 mm, J 283 mm, A 111 mm, N 27 mm, N1 30 mm.
Brands: NTN, FAG, SKF, FYH, Asahi, DTC, SLS
UCPX18-308 Specifications
| Shaft Dia. | 3-1/2 in (88.9 mm) |
|---|---|
| Unit Number | UCPX18-308 |
| H (Shaft Centre Height) | 101.6 mm |
| L (Overall Length) | 381 mm |
| J (Bolt Hole Spacing) | 283 mm |
| A | 111 mm |
| N (Bolt Slot Width) | 27 mm |
| N1 (Bolt Slot Length) | 30 mm |
| H1 | 40 mm |
| H2 | 206 mm |
| L1 | 110 mm |
| B (Inner Ring Width) | 104 mm |
| S | 42.9 mm |
| Bolt Size | M22 |
| Bearing Insert No. | UCX18-308 |
| 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 3-1/2 inch (88.9 mm) Shaft
| Unit Number | Type | Insert Bearing |
|---|---|---|
| UCP218-308 | Pillow Block Units | UC218-308 |
| UCP318-308 | Pillow Block Units | UC318-308 |
| UCIP318-308 | Pillow Block Units | UC318-308 |
| UELP318-308 | Pillow Block Units | — |
| UCF218-308 | Flanged Units | UC218-308 |
| UCF318-308 | Flanged Units | UC318-308 |
| UCFX18-308 | Flanged Units | UCX18-308 |
| UCFS318-308 | Flanged Units | — |
| UCFC218-308 | Flanged Units | UC218-308 |
| UCFCX18-308 | Flanged Units | UCX18-308 |
Neighbouring Sizes in the UCPX Series
UCPX18-308 — Frequently Asked Questions
What shaft size does the UCPX18-308 fit?
The UCPX18-308 fits a 3-1/2 inch (88.9 mm) shaft. Its insert bearing is the UCX18-308.
What is the UCPX18-308 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 3-1/2 inch (88.9 mm) shaft?
Other units for a 3-1/2 inch (88.9 mm) shaft include UCP218-308, UCP318-308, UCIP318-308, UELP318-308, UCF218-308. 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 UCPX18-308 across India?
Yes. Logass Trade Centre supplies the UCPX18-308 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 UCPX18-308?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.