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81120 TN

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81120 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 - 81120 TN

Dimensions

d

100 mm

Bore diameter
D

135 mm

Outside diameter
H

25 mm

Height
d1

135 mm

Outside diameter shaft washer
D1

102 mm

Bore diameter housing washer
B

7 mm

Height shaft washer
r1,2

min. 1 mm

Chamfer dimension housing washer

Abutment dimensions - 81120 TN

Abutment dimensions

da

min. 131 mm

Abutment diameter shaft
Da

max. 104 mm

Abutment diameter housing
ra

max. 1 mm

Fillet radius

Calculation data

Basic dynamic load ratingC

156 kN

Basic static load ratingC0

630 kN

Fatigue load limitPu

62 kN

Reference speed

1 200 r/min

Limiting speed

2 400 r/min

Minimum axial load factorA

0.0318

Mass

Mass bearing

0.95 kg

Included products

Roller and cage thrust assemblyK 81120 TN
Shaft washerWS 81120
Housing washerGS 81120

Tolerances and clearances

Bearing data, Design considerations

recently added Bearing

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