
SAF052K-9 1⁄2
Durable cast-iron housings for spherical roller bearings in general industrial applications. The split-housing design simplifies assembly and service. Standard base-to-shaft center, bolt hole slots, and envelope dimensions match industry standards for 230 series spherical roller bearings. Tapered bore mount design speeds installation time.
Features and benefits
- Assembly includes pillow block, SR stabilizing ring, and LER labyrinth seals.
- Lubrication access points and pry slots on cap facilitate easy installation and maintenance.
- Stress optimized design for very high application durability.
- Standard Locknut, setting the industry standard.
- Excellence Made Standard.
- Proudly made in the USA for over 70 years.
- Available in shaft sizes from 4 3/16” to 10 1/2”, with special versions available up to 40” shaft size.
- Grade 8 bolts fasten cap to base.
- Triple ring seals (LER series), and stabilizing ring (SR series) for fixed mounting, are included with pillow block.End caps sold separately.
- Oil return holes machined in the block protect the bearing from contamination.
- Multiple lubrication ports allow for either grease or oil lubrication.
- Machined G7 housing fit as a standard.
- Matched doweled base and cap sets facilitate exact alignment during installation.
- Cast from ASTM grade A48 Class 30 cast iron.Steel and ductile iron versions available.

Dimensions | |||
---|---|---|---|
S-1 | 9 1⁄2 | INCH | Shaft Diameter |
A | 9 1⁄2 | INCH | A |
B | 32 3⁄4 | INCH | B |
C | 8 3⁄4 | INCH | C |
D | 3 3⁄4 | INCH | D |
EMAX | 27 7⁄8 | INCH | E Max. |
EMIN | 24 3⁄4 | INCH | E Min. |
F | 5 1⁄4 | INCH | F |
H | 19 7⁄16 | INCH | H |
K | 2 15⁄16 | INCH | K |
L | 11 7⁄8 | INCH | L |
Y | 3 53⁄64 | INCH | Y |
BBRN | 4 | Base Bolts Required No. | |
WEIGHT | 585 | LB | Assembly Weight |
Included products | |
---|---|
Housing Only | SAF052K-9 1⁄2 |
Stabilizing Ring | A8898 |
Triple Seal 2 Req. | LER 178 |
Optional products (Sold separately, complete unit available upon request) | |
---|---|
Bearing No. | 23052K |
Adapter Assembly No. | SNP3052X9.500 |