Print Back
Unit of Measure

Technical Specifications

Type

N/A Spherical Roller Bearing

Bore Type

N/A Round

Material

N/A Through Hardened Steel

Cage Type

N/A Machined

Cage Material

N/A Steel

Limiting Speed - Oil

N/A 850 RPM

Limiting Speed - Grease

N/A 650 RPM

e

N/A 0.32

Y1

N/A 2.13

Y2

N/A 3.18

Y0

N/A 2.09

Series

N/A 231

Radial Internal Clearance

N/A C3

Ring Modification

N/A Relube

Tolerance

N/A JIS-0 RBEC-1

Static Load Rating

N/A 955000 lbf4250000 N4250.00 kN

Dynamic Load Rating

N/A 515000 lbf2300000 N2300.00 kN

Enclosure

N/A Open

Weight

N/A 214.069 lb97.100 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


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

d

N/A 11.0236 in280.000 mm

D

N/A 18.1102 in460.000 mm

B

N/A 5.7480 in146.000 mm

r

N/A 0.1969 in5.000 mm

W0

N/A 0.7874 in20.000 mm

d0

N/A 0.4724 in12.000 mm

da min

N/A 11.8898 in302.000 mm

Da max

N/A 17.2441 in438.000 mm

ras max

N/A 0.1575 in4.000 mm