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Unit of Measure

Technical Specifications

Type

Cylindrical Roller Bearing

Bore Type

Round

Material

Hardened Alloy Steel

Cage Material

Machined Carbon Steel

Limiting Speed - Oil

12000 RPM

Limiting Speed - Grease

9900 RPM

Configuration

One

Tolerance

ISO Class 0 (RBEC 1)

Oil Hole

w/o Oil Hole

Radial Internal Clearance

CN

Static Load Rating

7650 lbf34000 N34.00 kN

Dynamic Load Rating

6950 lbf31000 N31.00 kN

Enclosure

Open

Weight

0.617 lb0.280 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

2.9528 in75.000 mm

B

0.6299 in16.000 mm

Fw

2.0669 in52.500 mm

J

2.1850 in55.500 mm

r

0.0394 in1.000 mm

da min

1.9291 in49.000 mm

db min

1.9685 in50.000 mm

Da max

2.7559 in70.000 mm

Db max

2.7953 in71.000 mm

Db min

2.6969 in68.500 mm

r1as max

0.0236 in0.600 mm