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Technical Specifications

Type

 Spherical Roller Bearing

Bore Type

 Round

Material

 Through Hardened Steel

Cage Type

 Machined

Cage Material

 Brass

Limiting Speed - Oil

 850 RPM

Limiting Speed - Grease

 650 RPM

e

 0.32

Y1

 2.13

Y2

 3.18

Y0

 2.09

Series

 231

Radial Internal Clearance

 CN

Radial Internal Clearance Specification

 Normal

Ring Modification

 Relube

Static Load Rating

 955000 lbf4250000 N4250.00 kN

Dynamic Load Rating

 515000 lbf2300000 N2300.00 kN

Enclosure

 Open

Weight

 214.510 lb97.300 kg

Operating Temperature Range

 -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

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

d

 11.0236 in280.000 mm

D

 18.1102 in460.000 mm

B

 5.7480 in146.000 mm

r

 0.1969 in5.000 mm

W0

 0.6299 in16.000 mm

d0

 0.4724 in12.000 mm

da min

 11.8898 in302.000 mm

Da max

 17.2441 in438.000 mm

ras max

 0.1575 in4.000 mm