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11212 TN9

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11212 TN9

Self-aligning ball bearing with extended inner ring
Self-aligning ball bearings, with extended inner ring, have two rows of balls, a common sphered raceway in the outer ring and two deep uninterrupted raceway grooves in the inner ring. They are insensitive to angular misalignment of the shaft relative to the housing. The extended inner ring enables use of commercial grade shafting and axially location on the shaft by means of a slot at one end of the inner ring.

  • Accommodate static and dynamic misalignment
  • Excellent high-speed performance
  • Excellent light load performance
  • Low friction
  • Extended inner ring facilitates ease of mounting

Description

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Bore type

Cylindrical

Dimensions - 11212 TN9

Dimensions

d

60 mm

Bore diameter
D

110 mm

Outside diameter
B

62 mm

Width
C

22 mm

Width outer ring
d1

≈ 78 mm

Shoulder diameter inner ring
D1

≈ 95.6 mm

Shoulder diameter outer ring
r1,2

min. 1.5 mm

Chamfer dimension

Abutment dimensions - 11212 TN9

Abutment dimensions

Da

max. 101 mm

Abutment diameter housing
ra

max. 1.5 mm

Fillet radius

Calculation data

Basic dynamic load ratingC

31.2 kN

Basic static load ratingC0

12.2 kN

Fatigue load limitPu

0.62 kN

Limiting speed

3 400 r/min

Permissible angular misalignmentα

2.5 °

Calculation factorkr

0.04

Limiting valuee

0.19

Calculation factorY0

3.6

Calculation factorY1

3.3

Calculation factorY2

5.1

Mass

Mass bearing

1.15 kg

recently added Bearing

Title

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