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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 1300 rpm

Limiting Speed - Grease

N/A 1000 rpm

e

N/A 0.30

Y1

N/A 2.28

Y2

N/A 3.39

Y0

N/A 3.23

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 660000 lbf2940000 N2940.00 kN

Dynamic Load Rating

N/A 490000 lbf2190000 N2190.00 kN

Enclosure

N/A Open

Weight

N/A 115.103 lb52.210 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 8.6614 in220 mm

D

N/A 14.5669 in370.000 mm

B

N/A 4.7244 in120 mm

d1

N/A 9.9213 in252.000 mm

D1

N/A 12.9134 in328.000 mm

r

N/A 0.1575 in4 mm

W0

N/A 0.7480 in19.000 mm

d0

N/A 0.3543 in9.000 mm

da min

N/A 9.3307 in237.000 mm

Da max

N/A 13.8976 in353.000 mm

ras max

N/A 0.1575 in4.000 mm