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81111 TN

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81111 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 - 81111 TN

Dimensions

d

55 mm

Bore diameter
D

78 mm

Outside diameter
H

16 mm

Height
d1

78 mm

Outside diameter shaft washer
D1

57 mm

Bore diameter housing washer
B

5 mm

Height shaft washer
r1,2

min. 0.6 mm

Chamfer dimension housing washer

Abutment dimensions - 81111 TN

Abutment dimensions

da

min. 77 mm

Abutment diameter shaft
Da

max. 56 mm

Abutment diameter housing
ra

max. 0.6 mm

Fillet radius

Calculation data

Basic dynamic load ratingC

69.5 kN

Basic static load ratingC0

285 kN

Fatigue load limitPu

29 kN

Reference speed

1 900 r/min

Limiting speed

3 800 r/min

Minimum axial load factorA

0.0065

Mass

Mass bearing

0.23 kg

Included products

Roller and cage thrust assemblyK 81111 TN
Shaft washerWS 81111
Housing washerGS 81111

Tolerances and clearances

Bearing data, Design considerations

recently added Bearing

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