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Unit of Measure

Technical Specifications

Type

Tapered Roller Bearing

Bore Type

Round

Material

Case Carburized Steel

Limiting Speed - Oil

12000 RPM

Limiting Speed - Grease

8800 RPM

Style

Cone & Cup

Precision Rating

ISO Class 5

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.35

Y2 (Axial Load Factor)

1.74

Y0 (Axial Load Factor)

0.96

Static Load Rating

6350 lbf28200 N28.20 kN

Dynamic Load Rating

6450 lbf28700 N28.70 kN

Enclosure

Open

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Tapered Roller Set - Metric Series - Dimensions

d

0.7874 in20.000 mm

D

1.8504 in47.000 mm

C

0.4724 in12.000 mm

B

0.5512 in14.000 mm

a (Effective Load Center)

0.4528 in11.500 mm

r1as max

0.0394 in1.000 mm

T

0.6004 in15.250 mm

r

0.0400 in1.000 mm

R

0.04 in1.0 mm

da

25.5 mm

db

1.06 in27.0 mm

Da

1.63 in41.5 mm

Da min

1.57 in40.0 mm

Db

1.73 in44.0 mm

ras max

0.0394 in1.000 mm