Unit of Measure

Technical Specifications

Type

 Spherical Roller Bearing

Bore Type

 Round

Material

 Through Hardened Steel

Cage Type

 Machined

Cage Material

 Steel

Limiting Speed - Oil

 680 rpm

Limiting Speed - Grease

 520 rpm

e

 0.33

Y1

 2.05

Y2

 3.06

Y0

 2.01

Series

 231

Radial Internal Clearance

 C3

Ring Modification

 Relube

Tolerance

 JIS-0 RBEC-1

Static Load Rating

 1480000 lbf6600000 N6600.00 kN

Dynamic Load Rating

 810000 lbf3600000 N3600.00 kN

Enclosure

 Open

Weight

 453.845 lb205.861 kg

Operating Temperature Range

 -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


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

d

 13.3858 in340.000 mm

D

 22.8346 in580.000 mm

B

 7.4803 in190.000 mm

r

 0.1969 in5 mm

W0

 1.0630 in27.000 mm

d0

 0.6299 in16.000 mm

da min

 14.2520 in362.000 mm

Da max

 21.9685 in558.000 mm

ras max

 0.1575 in4.000 mm