Unit of Measure

Technical Specifications

Type

Spherical Roller Bearing

Bore Type

Round

Material

Through Hardened Steel

Cage Type

Machined

Cage Material

Brass

Limiting Speed - Oil

490 rpm

Limiting Speed - Grease

380 rpm

e

0.22

Y1

3.03

Y2

4.52

Y0

2.97

Series

230

Radial Internal Clearance

CN

Ring Modification

Plain

Tolerance

JIS-0 RBEC-1

Static Load Rating

2100000 lbf9350000 N9350.00 kN

Dynamic Load Rating

990000 lbf4400000 N4400.00 kN

Enclosure

Open

Weight

674.614 lb306.000 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Spherical Roller Bearing w/ Standard Bore & Oil Groove, 230 Series - Dimensions

d

20.8661 in530.000 mm

D

30.7087 in780.000 mm

B

7.2835 in185 mm

r

0.2362 in6 mm

W0

1.0630 in27.000 mm

d0

0.6299 in16.000 mm

da min

21.9685 in558.000 mm

Da max

29.6063 in752.000 mm

ras max

0.1969 in5.000 mm