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Unit of Measure

Technical Specifications

Type

Cylindrical Roller Bearing

Bore Type

Round

Material

Hardened Alloy Steel

Cage Material

Pressed Steel

Limiting Speed - Oil

9000 RPM

Limiting Speed - Grease

7600 RPM

Configuration

One

Tolerance

ISO Class 0 (RBEC 1)

Oil Hole

w/o Oil Hole

Radial Internal Clearance

CN

Static Load Rating

15300 lbf68000 N68.00 kN

Dynamic Load Rating

13800 lbf61500 N61.50 kN

Enclosure

Open

Weight

1.168 lb0.530 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Cylindrical Roller Bearing - Separable Inner Ring w/ One Rib, Outer Ring w/ Two Ribs - NJ Type - Dimensions

d

1.7717 in45.000 mm

D

3.3465 in85.000 mm

B

0.9055 in23.000 mm

Fw

2.1654 in55.000 mm

J

2.3228 in59.000 mm

r

0.0433 in1.100 mm

da min

2.0276 in51.500 mm

db min

2.0276 in51.500 mm

Da max

3.0906 in78.500 mm

Db max

3.0906 in78.500 mm

Db min

3.0315 in77.000 mm

r1as max

0.0394 in1.000 mm