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Unit of Measure

Technical Specifications

Type

N/A Spherical Roller Bearing

Bore Type

N/A Tapered

Material

N/A Through Hardened Steel

Cage Type

N/A Machined

Cage Material

N/A Brass

e

N/A 0.28

Y1

N/A 2.39

Y2

N/A 3.56

Y0

N/A 2.34

Series

N/A 231

Radial Internal Clearance

N/A CN

Ring Modification

N/A Plain

Tolerance

N/A JIS-0 RBEC-1

Taper

N/A 1:12

Enclosure

N/A Open

Operating Temperature Range

N/A -40 to 400 ºF-40 to 200 ºC

Dimensional Specifications


Spherical Roller Bearings w/ Tapered Bore - Dimensions

d

N/A 3.9370 in100.000 mm

D

N/A 6.4961 in165.000 mm

B

N/A 2.0472 in52 mm

d1

N/A 4.4882 in114.000 mm

D1

N/A 5.7874 in147.000 mm

r

N/A 0.07870 in2.000 mm

da min

N/A 4.3701 in111 mm

Da max

N/A 6.0630 in154.000 mm

ras max

N/A 0.0787 in2.000 mm