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81238 M

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81238 M

Single row cylindrical roller thrust bearing, single direction
Single row cylindrical roller thrust bearings are designed to accommodate heavy axial loads and peak loads in one direction, but not radial loads. They provide a high degree of stiffness and require little axial space. They are mainly used in applications where thrust ball bearings do not have sufficient load carrying capacity. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.

  • High axial load carrying capacity
  • High stiffness
  • Long service life
  • Require little axial space
  • Separable design

Description

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Dimensions - 81238 M

Dimensions

d

190 mm

Bore diameter
D

270 mm

Outside diameter
H

62 mm

Height
d1

267 mm

Outside diameter shaft washer
D1

194 mm

Bore diameter housing washer
B

18 mm

Height shaft washer
r1,2

min. 2 mm

Chamfer dimension housing washer

Abutment dimensions - 81238 M

Abutment dimensions

da

min. 265 mm

Abutment diameter shaft
Da

max. 200 mm

Abutment diameter housing
ra

max. 2 mm

Fillet radius

Calculation data

Basic dynamic load ratingC

695 kN

Basic static load ratingC0

2 900 kN

Fatigue load limitPu

250 kN

Reference speed

500 r/min

Limiting speed

1 000 r/min

Minimum axial load factorA

0.673

Mass

Mass bearing

12.1 kg

Included products

Roller and cage thrust assemblyK 81238 M
Shaft washer

WS 81238

Housing washerGS 81238

Tolerances and clearances

Bearing data, Design considerations

recently added Bearing

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