Angular contact ball bearings 7903CTRSU
Bearing number : 7903CTRSU
Size (mm) : 17x30x7
Brand : NSK
Bore Diameter (mm) : 17
Outer Diameter (mm) : 30
Width (mm) : 7
Bearing dimensions and specification in NSK catalogue:
d - 17 mm
D - 30 mm
B - 7 mm
a - 6,6 mm
d1 - 19,5 mm
r min. - 0,3 mm
r1 min. - 0,15 mm
D1 - 27,5 mm
D2 - 28,8 mm
Weight - 0,016 Kg
Basic dynamic load rating (C) - 5 kN
Basic static load rating (C0) - 2,94 kN
(Grease) Lubrication Speed - 44200 r/min
(Oil) Lubrication Speed - 71400 r/min
RHP Super Precision Angular Contact Ball Bearings. Ne
4 The NSK Group is one of the world s leading manufacturers of rolling bearings, automotive components, precision and mechatronic products. The Group has over 40 manufacturing units around the world, employing over 23,000 people and is represented by sales offices and Authorised Distributors almost everywhere.
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NSK Bearing Distributor - bearing-inc.c
The stages in a NSK Bearing Distributor bearing life cycle are extremely important for achieving the maximum service life of the bearing. We by applying the right maintenance practices and using the correct tools, you can considerably extend your bearing's NSK Bearing Distributor service life and increase plant productivity and efficiency.
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I believe some NSK's are made in Japan, China and some even USA, so who knows what you're getting till you can see the bearing or the package. I went thru this last year looking for cheaper buys for my Can Am. Turned out the OEM's were only a few bucks more and made in USA and Canada.
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With the continuous development of more and more NSK bearing industry industries and enterprises has been applied to the NSK bearing, more and more enterprises to enterthe NSK bearing industry, widelyusedin: industry engineerinmachinery,mining, petroleum,machinery, electric power, railway, etc..