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Unit of Measure

Technical Specifications

Type

Spherical Roller Bearing

Bore Type

Tapered

Material

Through Hardened Steel

Cage Type

Machined

Cage Material

Brass

Limiting Speed - Oil

1600 RPM

Limiting Speed - Grease

1200 RPM

e

0.29

Y1

2.32

Y2

3.45

Y0

2.26

Series

231

Radial Internal Clearance

C3

Ring Modification

Relube

Tolerance

JIS-0 RBEC-1

Taper

1:12

Static Load Rating

505000 lbf2250000 N2250.00 kN

Dynamic Load Rating

375000 lbf1670000 N1670.00 kN

Enclosure

Open

Weight

73.193 lb33.200 kg

Operating Temperature Range

-40 to 400 ºF-40 to 200 ºC

Dimensional Specifications


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

d

7.4803 in190.000 mm

D

12.5984 in320.000 mm

B

4.0945 in104.000 mm

d1

8.7008 in221.000 mm

D1

11.1811 in284.000 mm

r

0.1181 in3.000 mm

W0

0.6693 in17.000 mm

d0

0.3150 in8.000 mm

da min

8.0315 in204.000 mm

Da max

12.0472 in306.000 mm

ras max

0.1181 in3 mm