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68450/68712

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68450/68712

Single row tapered roller bearing, inch size
Single row tapered roller bearings, inch sizes, are designed to accommodate combined radial and axial loads and provide low friction during operation. The inner ring, with rollers and cage, can be mounted separately from the outer ring. These separable and interchangeable components facilitate mounting, dismounting and maintenance. By mounting one single row tapered roller bearing against another and applying a preload, a rigid bearing application can be achieved.

  • High radial and axial load carrying capacity
  • Accommodate axial loads in one direction
  • Low friction and long service life
  • Separable and interchangeable components

Description

Display in:

SKF performance class

SKF Explorer

Dimension series

68000

Dimensions - 68450/68712

Dimensions

d

114.3 mm

Bore diameter
D

180.975 mm

Outside diameter
T

34.925 mm

Total width
d1

≈ 144.3 mm

Shoulder diameter of inner ring
B

31.75 mm

Width of inner ring
C

25.4 mm

Width of outer ring
r1,2

min. 3.5 mm

Chamfer dimension of inner ring
r3,4

min. 3.3 mm

Chamfer dimension of outer ring
a

39.359 mm

Distance side face to pressure point

Abutment dimensions - 68450/68712

Abutment dimensions

da

max. 129 mm

Diameter of shaft abutment
db

min. 129 mm

Diameter of shaft abutment
Da

min. 158 mm

Diameter of housing abutment
Da

max. 167.5 mm

Diameter of housing abutment
Db

min. 170 mm

Diameter of housing abutment
Ca

min. 4 mm

Minimum width of space required in housing on large side face
Cb

min. 9.5 mm

Minimum width of space required in housing on small side face
ra

max. 3.5 mm

Radius of shaft fillet
rb

max. 3.3 mm

Radius of housing fillet

Calculation data

Basic dynamic load ratingC

227 kN

Basic static load ratingC0

280 kN

Fatigue load limitPu

30 kN

Reference speed

2 800 r/min

Limiting speed

3 400 r/min

Limiting valuee

0.5

Calculation factorY

1.2

Calculation factorY0

0.7

Mass

Mass

2.93 kg

Tolerances and clearances

Bearing data

recently added Bearing

Title

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