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SKF 638/42Z 4x9x4mm Metal Shielded Deep Groove Ball Bearing

  • SKF 638/42Z 4x9x4mm Metal Shielded Deep Groove Ball Bearing
  • SKF 638/42Z 4x9x4mm Metal Shielded Deep Groove Ball Bearing
Description:

Metal Shielded Deep Groove Ball Bearings: One of the most commonly used bearings, these types [show more...]

Brand: SKF
Inside Diameter: 4mm
Outside Diameter: 9mm
Width: 4mm
Seals / Shields: Metal Shielded
Clearance: * Standard

0.001300kg
New £13.02 ex VAT
Stock:  This item is available from stock

Metal Shielded Deep Groove Ball Bearings: One of the most commonly used bearings, these types are manufactured with metal shields fitted into the outer raceway, the shields fit closely to the inner race which provides protection against light mechanical damage, they also provide protection against the moisture, dust and other foreign matter while also preventing leaking of the pre-filled grease in the bearing. Either Shield can be easily removed when being used in applications that only need a single shield
Benefits: Provides light mechanical protection, limits moisture and dirt ingress, lubricated for life, cost effective solution

d
=
4mm
D
=
9mm
B
=
4mm
Dynamic load C
=
0.54 kN
Static load Co
=
0.18 kN
Fatigue load limit Pu
=
0.007 kN
Reference speed
=
140000 rpm
Limiting speed
=
70000 rpm
Weight
=
0.0013 kg
d1
=
5.2mm
D2
=
7.8mm
r1r2 min
=
0.1mm
da min
=
4.6mm
Da max
=
8.4mm
ra max
=
0.1mm
Calculation factor kr
=
0.015
Calculation factor f0
=
10

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