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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

 1600 RPM

Limiting Speed - Grease

 1200 RPM

e

 0.29

Y1

 2.32

Y2

 3.45

Y0

 2.26

Series

 231

Radial Internal Clearance

 CN

Ring Modification

 Relube

Tolerance

 JIS-0 RBEC-1

Static Load Rating

 505000 lbf2250000 N2250.00 kN

Dynamic Load Rating

 375000 lbf1670000 N1670.00 kN

Enclosure

 Open

Weight

 73.855 lb33.500 kg

Operating Temperature Range

 -40 to 400 ºF-40 to 200 ºC

Dimensional Specifications

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

d

 7.4803 in190.000 mm

D

 12.5984 in320.000 mm

B

 4.0945 in104.000 mm

d1

 8.7008 in221.000 mm

D1

 11.1811 in284.000 mm

r

 0.1181 in3.000 mm

W0

 0.6693 in17.000 mm

d0

 0.3150 in8.000 mm

da min

 8.0315 in204.000 mm

Da max

 12.0472 in306.000 mm

ras max

 0.1181 in3 mm