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30238

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30238

Single row tapered roller bearing
Single row tapered roller bearings are designed to accommodate combined radial and axial loads and provide low friction during operation. The inner ring, with rollers and cage, can be mounted separately from the outer ring. These separable and interchangeable components facilitate mounting, dismounting and maintenance. By mounting one single row tapered roller bearing against another and applying a preload, a rigid bearing application can be achieved.

  • High radial and axial load carrying capacity
  • Accommodate axial loads in one direction
  • Low friction and long service life
  • Separable and interchangeable components

Description

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Dimension series

4GB

Dimensions - 30238

Dimensions

d

190 mm

Bore diameter
D

340 mm

Outside diameter
T

60 mm

Total width
d1

≈ 254 mm

Shoulder diameter of inner ring
B

55 mm

Width of inner ring
C

46 mm

Width of outer ring
r1,2

min. 5 mm

Chamfer dimension of inner ring
r3,4

min. 4 mm

Chamfer dimension of outer ring
a

63.159 mm

Distance side face to pressure point

Abutment dimensions - 30238

Abutment dimensions

da

max. 225 mm

Diameter of shaft abutment
db

min. 210 mm

Diameter of shaft abutment
Da

min. 298 mm

Diameter of housing abutment
Da

max. 323 mm

Diameter of housing abutment
Db

min. 318 mm

Diameter of housing abutment
Ca

min. 8 mm

Minimum width of space required in housing on large side face
Cb

min. 14 mm

Minimum width of space required in housing on small side face
ra

max. 5 mm

Radius of shaft fillet
rb

max. 4 mm

Radius of housing fillet

Calculation data

Basic dynamic load ratingC

763 kN

Basic static load ratingC0

1 000 kN

Fatigue load limitPu

95 kN

Reference speed

1 400 r/min

Limiting speed

1 800 r/min

Limiting valuee

0.43

Calculation factorY

1.4

Calculation factorY0

0.8

Mass

Mass

20.5 kg

Tolerances and clearances

Bearing data

recently added Bearing

Title

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