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