• Simple, versatile and robust design
  • Low friction
  • High-speed capability
  • Accommodate radial and axial loads in both directions
  • Require little maintenance

Description

Deep groove ball bearing

Single row deep groove ball bearings are particularly versatile, have low friction and are optimized for low noise and low vibration, which enables high rotational speeds. They accommodate radial and axial loads in both directions, are easy to mount, and require less maintenance than many other bearing types.

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Dimensions - 6408

Dimensions

d
40 mm
Bore diameter
tΔdmp -0.012  –  0 mm Deviation limits of mid-range bore diameter
D
110 mm
Outside diameter
tΔDmp -0.015  –  0 mm Deviation limits of mid-range outside diameter
B
27 mm
Width
tΔBs -0.12  –  0 mm Deviation limits of ring width
d1
62.84 mm
Shoulder diameter
D1
86.95 mm
Shoulder diameter
r1,2
min. 2 mm
Chamfer dimension
Normal
ISO tolerance class for dimensions
Abutment dimensions - 6408

Abutment dimensions

da
min. 53 mm
Diameter of shaft abutment
Da
max. 97 mm
Diameter of housing abutment
ra
max. 2 mm
Radius of shaft or housing fillet

Calculation data

Basic dynamic load rating C
63.7 kN
Basic static load rating C0
36.5 kN
Fatigue load limit Pu
1.53 kN
Reference speed
14 000 r/min
Limiting speed
9 000 r/min
Minimum load factor kr
0.04
Calculation factor f0
12.2

Tolerances of run-out

Range of section height at inner ring of assembled bearing tKia
15 µm
Range of section height at outer ring of assembled bearing tKea
35 µm
ISO tolerance class for geometrical tolerances
Normal
Dimensions - 6408

Dimensions

d
1.5748 in
Bore diameter
tΔdmp -12  –  0 µm Deviation limits of mid-range bore diameter
D
4.3307 in
Outside diameter
tΔDmp -15  –  0 µm Deviation limits of mid-range outside diameter
B
1.063 in
Width
tΔBs -120  –  0 µm Deviation limits of ring width
d1
2.474 in
Shoulder diameter
D1
3.4232 in
Shoulder diameter
r1,2
min. 0.0787 in
Chamfer dimension
Normal
ISO tolerance class for dimensions
Abutment dimensions - 6408

Abutment dimensions

da
min. 2.0866 in
Diameter of shaft abutment
Da
max. 3.8189 in
Diameter of housing abutment
ra
max. 0.0787 in
Radius of shaft or housing fillet

Calculation data

Basic dynamic load rating C
14 320 lbf
Basic static load rating C0
8 206 lbf
Fatigue load limit Pu
344 lbf
Reference speed
14 000 r/min
Limiting speed
9 000 r/min
Minimum load factor kr
0.035
Calculation factor f0
12.2

Tolerances of run-out

Range of section height at inner ring of assembled bearing tKia
15 µm
Range of section height at outer ring of assembled bearing tKea
35 µm
ISO tolerance class for geometrical tolerances
Normal