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81218 TN

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81218 TN

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 - 81218 TN

Dimensions

d

90 mm

Bore diameter
D

135 mm

Outside diameter
H

35 mm

Height
d1

135 mm

Outside diameter shaft washer
D1

93 mm

Bore diameter housing washer
B

10.5 mm

Height shaft washer
r1,2

min. 1.1 mm

Chamfer dimension housing washer

Abutment dimensions - 81218 TN

Abutment dimensions

da

min. 129 mm

Abutment diameter shaft
Da

max. 95 mm

Abutment diameter housing
ra

max. 1.1 mm

Fillet radius

Calculation data

Basic dynamic load ratingC

232 kN

Basic static load ratingC0

865 kN

Fatigue load limitPu

90 kN

Reference speed

1 000 r/min

Limiting speed

2 000 r/min

Minimum axial load factorA

0.0599

Mass

Mass bearing

1.77 kg

Included products

Roller and cage thrust assemblyK 81218 TN
Shaft washerWS 81218
Housing washerGS 81218

Tolerances and clearances

Bearing data, Design considerations

recently added Bearing

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