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Unit of Measure

Technical Specifications

Type

Cylindrical Roller Bearing

Bore Type

Round

Material

Hardened Alloy Steel

Cage Material

High Strength, 2 piece, Machined Brass

Limiting Speed - Oil

910 RPM

Limiting Speed - Grease

770 RPM

Configuration

One

Tolerance

ISO Class 0 (RBEC 1)

Oil Hole

w/o Oil Hole

Radial Internal Clearance

CN

Static Load Rating

645000 lbf2870000 N2870.00 kN

Dynamic Load Rating

360000 lbf1610000 N1610.00 kN

Enclosure

Open

Weight

286.601 lb130.000 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

19.6850 in500.000 mm

D

28.3465 in720.000 mm

B

3.9370 in100.000 mm

Fw

21.8898 in556.000 mm

J

22.7402 in577.600 mm

r

0.2362 in6.000 mm

da min

20.6299 in524.000 mm

db min

20.6299 in524.000 mm

Da max

27.4016 in696.000 mm

Db max

27.4016 in696.000 mm

Db min

26.3386 in669.000 mm

r1as max

0.1969 in5.000 mm