Needle Roller Bearings with Flanges: Constructed with flanges in the outer ring to assist in the centralisation of the needle bearing race, sizes up to 17mm have no lubrication hole, or annular groove around the outside, above this size an oil hole and annular groove is provided. Generally a single row bearing with the exceptions of some of the larger sizes. Benefits: Flanged to provide centralisation, compact and self contained and includes the inner ring.
Brand / Quality: Major Brand - High Quality Inside Diameter: 45mm Outside Diameter: 68mm Width: 40mm
d
=
45mm
D
=
68mm
B
=
40mm
Dynamic load
=
70400 N
Static load
=
137000 N
Fatigue load limit Pu
=
17300 N
Speed in grease
=
5300 rpm
Speed in oil
=
7500 rpm
F
=
52mm
r1r2
=
0.6mm
S (axial disp)
=
0.5mm
da min
=
49mm
Da max
=
64mm
ra max
=
0.6mm
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Major Brand NA6909 Needle Roller Bearing With Shaft Sleeve 45x68x40mm
Simply bearings are the UK's largest online retailer of bearings, seals, belts, chains, sprockets, lubricants and other associated power transmission equipment.
Simply Bearings Ltd, Halton House, Greenfold Way, Leigh Greater Manchester WN7 3XJ United kingdom
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