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Unit of Measure

Technical Specifications

Type

Spherical Roller Bearing

Bore Type

Round

Material

Through Hardened Steel

Cage Type

Pressed

Cage Material

Steel

Limiting Speed - Oil

2200 RPM

Limiting Speed - Grease

1800 RPM

e

0.26

Y1

2.55

Y2

3.80

Y0

2.50

Series

231

Radial Internal Clearance

CN

Ring Modification

Relube

Tolerance

JIS-0 RBEC-1

Static Load Rating

232000 lbf1030000 N1030.00 kN

Dynamic Load Rating

180000 lbf802000 N802.00 kN

Enclosure

Open

Weight

22.223 lb10.080 kg

Operating Temperature Range

-40 to 400 ºF-40 to 200 ºC

Dimensional Specifications


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

d

5.5118 in140.000 mm

D

8.8583 in225.000 mm

B

2.6772 in68.000 mm

d1

6.2598 in159.000 mm

D1

7.9921 in203.000 mm

r

0.0827 in2.100 mm

W0

0.4331 in11.000 mm

d0

0.1969 in5.000 mm

da min

5.9843 in152.000 mm

Da max

8.3858 in213.000 mm

ras max

0.0827 in2.100 mm