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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 Steel

Limiting Speed - Oil

N/A 730 RPM

Limiting Speed - Grease

N/A 560 RPM

e

N/A 0.33

Y1

N/A 2.06

Y2

N/A 3.07

Y0

N/A 2.02

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 1300000 lbf5800000 N5800.00 kN

Dynamic Load Rating

N/A 695000 lbf3100000 N3100.00 kN

Enclosure

N/A Open

Weight

N/A 366.849 lb166.400 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


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

d

N/A 12.5984 in320.000 mm

D

N/A 21.2598 in540.000 mm

B

N/A 6.9291 in176.000 mm

r

N/A 0.1969 in5.000 mm

W0

N/A 1.0630 in27.000 mm

d0

N/A 0.6299 in16.000 mm

da min

N/A 13.4646 in342.000 mm

Da max

N/A 20.3937 in518.000 mm

ras max

N/A 0.1575 in4.000 mm