Unit of Measure

Technical Specifications

Type

Spherical Roller Bearing

Bore Type

Round

Material

Through Hardened Steel

Cage Type

Machined

Cage Material

Brass

Limiting Speed - Oil

1400 rpm

Limiting Speed - Grease

1100 rpm

e

0.30

Y1

2.25

Y2

3.34

Y0

2.20

Series

231

Radial Internal Clearance

C4

Ring Modification

Relube

Tolerance

JIS-0 RBEC-1

Static Load Rating

565000 lbf2510000 N2510.00 kN

Dynamic Load Rating

425000 lbf1890000 N1890.00 kN

Enclosure

Open

Weight

92.374 lb41.900 kg

Operating Temperature Range

-40 to 400 ºF-40 to 200 ºC

Dimensional Specifications


Spherical Roller Bearing w/ Standard Bore & Oil Groove, 231 Series - Dimensions

d

7.874 in200.000 mm

D

13.3858 in340 mm

B

4.4094 in112 mm

d1

9.0945 in231.000 mm

D1

11.8504 in301.000 mm

r

0.11810 in3.000 mm

W0

0.7087 in18.000 mm

d0

0.3150 in8.000 mm

da min

8.4252 in214.000 mm

Da max

12.8346 in326.000 mm

ras max

0.1181 in3 mm