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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 Brass

Limiting Speed - Oil

N/A 2500 rpm

Limiting Speed - Grease

N/A 2000 rpm

e

N/A 0.28

Y1

N/A 2.43

Y2

N/A 3.61

Y0

N/A 2.37

Series

N/A 231

Radial Internal Clearance

N/A CN

Ring Modification

N/A Relube

Tolerance

N/A JIS-0 RBEC-1

Static Load Rating

N/A 184000 lbf820000 N820.00 kN

Dynamic Load Rating

N/A 149000 lbf663000 N663.00 kN

Enclosure

N/A Open

Weight

N/A 17.13 lb7.770 kg

Operating Temperature Range

N/A -40 to 400 ºF-40 to 200 ºC

Dimensional Specifications


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

d

N/A 4.7244 in120.000 mm

D

N/A 7.87400 in200.000 mm

B

N/A 2.4409 in62 mm

d1

N/A 5.4331 in138.000 mm

D1

N/A 6.8110 in173.000 mm

r

N/A 0.07870 in2.000 mm

W0

N/A 0.3937 in10.000 mm

d0

N/A 0.1772 in4.500 mm

da min

N/A 5.1575 in131 mm

Da max

N/A 7.4409 in189 mm

ras max

N/A 0.0787 in2.000 mm