Angular contact ball bearings 7903 C
Bearing number : 7903 C
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
C - 7 mm
a - 6,6 mm
r min. - 0,3 mm
r1 min. - 0,15 mm
da min. - 19,5 mm
Da max. - 27,5 mm
ra max. - 0,3 mm
Weight - 0,017 Kg
Basic dynamic load rating (C) - 5 kN
Basic static load rating (C0) - 2,94 kN
(Grease) Lubrication Speed - 34 000 r/min
(Oil) Lubrication Speed - 48 000 r/min
Calculation factor (f0) - 14,8
NSK 7903C bearing with simple design --- Impero bearing .
NSK 7903C bearing with simple design can ensure high quality for more than 80% raw material of NSK 7903C bearing with simple design provided by the steel plant.Explorer series bearing of NSK 7903C bearing with simple design are better than any brand bearings currently in bearing performance , lifetime, design, and the use of performance.
Calaméo - Super Precision Bearings 2017 English Versi
34 Our Support for Your Bearing Selection NSK supports customers to select the right bearings to meet their needs and ensure their NSK Super Precision Bearings provide superior performance and the highest efficiency. The technical information mentioned in this catalog is to let you know how to select and use precision bearings for machine tools.
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Company Description. NSK's primary business is bearings, which is the core of mechanical industries. Bearings support rotating members. Bearings are used in cars, for the wheels of trains, in jet engines, for the rollers of ironworks, and for the hard drives of personal computers.Our bearings make smooth rotation possible with super precision and they handle high speed and high heat.
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Deep Groove Ball Bearings | Ball Bearings | Products | NSK .
Pressed Steel Cages Single-row deep groove ball bearings are the most common type of rolling bearings. Their use is very widespread. In addition to open type bearings, these bearings often have steel shields or rubber seals installed on one or both sides and are prelubricated with grease.
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NSK - Three letters. Total Quality. Our products are setting new standards for reliability, energy efficiency and durability. We offer almost all types of bearings, including deep-groove ball bearings, spherical & cylindrical roller bearings and super- precision bearings.