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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

e

 N/A 0.30

Y1

 N/A 2.25

Y2

 N/A 3.35

Y0

 N/A 2.20

Series

 N/A 231

Radial Internal Clearance

 N/A CN

Ring Modification

 N/A Plain

Tolerance

 N/A JIS-0 RBEC-1

Enclosure

 N/A Open

Weight

 N/A 23.369 lb10.6 kg

Operating Temperature Range

 N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


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

d

 N/A 5.5118 in140.000 mm

D

 N/A 8.8583 in225.000 mm

B

 N/A 2.6772 in68 mm

r

 N/A 0.0827 in2.1 mm

da min

 N/A 5.9843 in152.000 mm

Da max

 N/A 8.3858 in213.000 mm

ras max

 N/A 0.0787 in2.000 mm