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Unit of Measure

Technical Specifications

Type

Spherical Roller Bearing

Bore Type

Tapered

Material

Through Hardened Steel

Cage Type

Pressed

Cage Material

Steel

Limiting Speed - Oil

1700 RPM

Limiting Speed - Grease

1300 RPM

e

0.29

Y1

2.32

Y2

3.45

Y0

2.26

Series

231

Radial Internal Clearance

CN

Radial Internal Clearance Specification

Normal

Ring Modification

Relube

Taper

1:12

Static Load Rating

440000 lbf1960000 N1960.00 kN

Dynamic Load Rating

335000 lbf1490000 N1490.00 kN

Enclosure

Open

Weight

58.202 lb26.400 kg

Operating Temperature Range

-40 to 400 ºF-40 to 200 ºC

Dimensional Specifications


Spherical Roller Bearing w/ Tapered Bore & Oil Groove - Dimensions

d

7.0866 in180.000 mm

D

11.8110 in300.000 mm

B

3.7795 in96.000 mm

r

0.1181 in3.000 mm

W0

0.5906 in15.000 mm

d0

0.2756 in7.000 mm

da min

7.6378 in194.000 mm

Da max

11.2598 in286.000 mm

ras max

0.1181 in3 mm