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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 Pressed

Cage Material

N/A Steel

Limiting Speed - Oil

N/A 1800 RPM

Limiting Speed - Grease

N/A 1400 RPM

e

N/A 0.28

Y1

N/A 2.39

Y2

N/A 3.56

Y0

N/A 2.34

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 380000 lbf1700000 N1700.00 kN

Dynamic Load Rating

N/A 286000 lbf1270000 N1270.00 kN

Enclosure

N/A Open

Weight

N/A 47.399 lb21.500 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 6.6929 in170.000 mm

D

N/A 11.0236 in280.000 mm

B

N/A 3.4646 in88.000 mm

d1

N/A 7.6772 in195.000 mm

D1

N/A 9.8425 in250.000 mm

r

N/A 0.0827 in2.100 mm

W0

N/A 0.5512 in14.000 mm

d0

N/A 0.2362 in6.000 mm

da min

N/A 7.1654 in182.000 mm

Da max

N/A 10.5512 in268.000 mm

ras max

N/A 0.0827 in2.100 mm