Pillow Block Units
AELRPP2 Series Eccentric Collar Pressed Steel Pillow Block Units with Rubber Ring
Two-bolt pillow block housing that carries the shaft on a flat mounting surface, with a eccentric locking collar insert bearing in a pressed steel housing. The eccentric locking collar grips the shaft by turning the collar, which suits shafts that run in one direction and need no set screws. Shaft sizes 12mm – 30mm; each size is listed with its dimensions below.
Dimensions & Part Numbers
| Shaft Dia. (mm) | Unit Number | H (Shaft Centre Height) (mm) | L (Overall Length) (mm) | J (Bolt Hole Spacing) (mm) | A (mm) | N (Bolt Slot Width) (mm) | H1 (mm) | H2 (mm) | B1 (Inner Ring Width) (mm) | S (mm) | Bolt Size | Bearing Insert No. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12 | AELRPP201 | 25.4 | 98 | 76 | 32 | 9.5 | 3.2 | 50.5 | 28.6 | 6.5 | M8 | AEL201 |
| 15 | AELRPP202 | 25.4 | 98 | 76 | 32 | 9.5 | 3.2 | 50.5 | 28.6 | 6.5 | M8 | AEL202 |
| 17 | AELRPP203 | 25.4 | 98 | 76 | 32 | 9.5 | 3.2 | 50.5 | 28.6 | 6.5 | M8 | AEL203 |
| 20 | AELRPP204 | 28.6 | 108 | 86 | 32 | 11.5 | 4 | 56.6 | 31 | 7.5 | M10 | AEL204 |
| 25 | AELRPP205 | 33.3 | 117 | 95 | 38 | 11.5 | 4 | 66.3 | 31 | 7.5 | M10 | AEL205 |
| 30 | AELRPP206 | 39.7 | 129 | 106 | 42 | 11.5 | 4.6 | 78 | 35.7 | 9 | M10 | AEL206 |
Dimensions and part numbers per manufacturer technical catalogue; confirm the exact unit and brand with us before ordering.
Inch Shaft Sizes
The same AELRPP2 housings are also supplied with inch-bore insert bearings. The unit number carries a suffix for the shaft size (for example -104 is 1-1/4 inch), and the housing dimensions are the same as the metric unit in the table above.
| Shaft Dia. (in) | Unit Number | H (Shaft Centre Height) (mm) | L (Overall Length) (mm) | J (Bolt Hole Spacing) (mm) | A (mm) | N (Bolt Slot Width) (mm) | H1 (mm) | H2 (mm) | B1 (Inner Ring Width) (mm) | S (mm) | Bolt Size | Bearing Insert No. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 in (12.7 mm) | AELRPP201-008 | 25.4 | 98 | 76 | 32 | 9.5 | 3.2 | 50.5 | 28.6 | 6.5 | M8 | AEL201-008 |
| 9/16 in (14.3 mm) | AELRPP202-009 | 25.4 | 98 | 76 | 32 | 9.5 | 3.2 | 50.5 | 28.6 | 6.5 | M8 | AEL202-009 |
| 5/8 in (15.9 mm) | AELRPP202-010 | 25.4 | 98 | 76 | 32 | 9.5 | 3.2 | 50.5 | 28.6 | 6.5 | M8 | AEL202-010 |
| 11/16 in (17.5 mm) | AELRPP203-011 | 25.4 | 98 | 76 | 32 | 9.5 | 3.2 | 50.5 | 28.6 | 6.5 | M8 | AEL203-011 |
| 3/4 in (19.1 mm) | AELRPP204-012 | 28.6 | 108 | 86 | 32 | 11.5 | 4 | 56.6 | 31 | 7.5 | M10 | AEL204-012 |
| 13/16 in (20.6 mm) | AELRPP205-013 | 33.3 | 117 | 95 | 38 | 11.5 | 4 | 66.3 | 31 | 7.5 | M10 | AEL205-013 |
| 7/8 in (22.2 mm) | AELRPP205-014 | 33.3 | 117 | 95 | 38 | 11.5 | 4 | 66.3 | 31 | 7.5 | M10 | AEL205-014 |
| 15/16 in (23.8 mm) | AELRPP205-015 | 33.3 | 117 | 95 | 38 | 11.5 | 4 | 66.3 | 31 | 7.5 | M10 | AEL205-015 |
| 1 in (25.4 mm) | AELRPP205-100 | 33.3 | 117 | 95 | 38 | 11.5 | 4 | 66.3 | 31 | 7.5 | M10 | AEL205-100 |
| 1-1/16 in (27 mm) | AELRPP206-101 | 39.7 | 129 | 106 | 42 | 11.5 | 4.6 | 78 | 35.7 | 9 | M10 | AEL206-101 |
| 1-1/8 in (28.6 mm) | AELRPP206-102 | 39.7 | 129 | 106 | 42 | 11.5 | 4.6 | 78 | 35.7 | 9 | M10 | AEL206-102 |
| 1-3/16 in (30.2 mm) | AELRPP206-103 | 39.7 | 129 | 106 | 42 | 11.5 | 4.6 | 78 | 35.7 | 9 | M10 | AEL206-103 |
| 1-1/4 in (31.8 mm) | AELRPP206-104 | 39.7 | 129 | 106 | 42 | 11.5 | 4.6 | 78 | 35.7 | 9 | M10 | AEL206-104 |
Typical Applications
- Conveyors and material handling shafts
- Fans, blowers and pumps
- Agricultural and food-processing machinery
- General industrial shaft support
Frequently Asked Questions
What sizes are available in the AELRPP2 series?
AELRPP2 units are available from 12mm – 30mm bore, as listed in the dimension table below. Each size has its own part number for ordering.
What is the housing material and locking type for AELRPP2?
AELRPP2 uses a pressed steel housing with eccentric locking collar locking, sourced from NTN, FAG, SKF, FYH, Asahi, DTC and SLS.
What is AELRPP2 typically used for?
Common applications include conveyors and material handling shafts and fans, blowers and pumps, and similar general industrial shaft-support duties.
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 AELRPP2 units?
Share your shaft size and quantity — our technical team will confirm availability and pricing within one business day.