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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 Brass

Limiting Speed - Oil

N/A 1400 rpm

Limiting Speed - Grease

N/A 1100 rpm

e

N/A 0.30

Y1

N/A 2.25

Y2

N/A 3.34

Y0

N/A 2.20

Series

N/A 231

Radial Internal Clearance

N/A C4

Ring Modification

N/A Relube

Tolerance

N/A JIS-0 RBEC-1

Static Load Rating

N/A 565000 lbf2510000 N2510.00 kN

Dynamic Load Rating

N/A 425000 lbf1890000 N1890.00 kN

Enclosure

N/A Open

Weight

N/A 92.374 lb41.900 kg

Operating Temperature Range

N/A -40 to 400 ºF-40 to 200 ºC

Dimensional Specifications


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

d

N/A 7.874 in200.000 mm

D

N/A 13.3858 in340 mm

B

N/A 4.4094 in112 mm

d1

N/A 9.0945 in231.000 mm

D1

N/A 11.8504 in301.000 mm

r

N/A 0.11810 in3.000 mm

W0

N/A 0.7087 in18.000 mm

d0

N/A 0.3150 in8.000 mm

da min

N/A 8.4252 in214.000 mm

Da max

N/A 12.8346 in326.000 mm

ras max

N/A 0.1181 in3 mm