Bearing 6903 NACHI
The Nachi bearings business started out by using the superior materials made by our own company, and by applying expertise in cutting and heat treatment acquired from our experience with cutting-tool manufacturing. As a result, you get high speed and high precision bearings that are durable and compact. Benefitting from our continually advancing technology, these parts are at work in automobiles, industrial machinery, and equipment in various other sectors. Everywhere you look, our Nachi bearings contribute to better reliability.
Bearing 6903 (NACHI)
Deep groove ball bearings 6903
Bearing number : 6903
Size (mm) : 17x30x7
Brand : NACHI
Bore Diameter (mm) : 17
Outer Diameter (mm) : 30
Width (mm) : 7
Bearing dimensions and specification in NACHI catalogue:
d – 17 mm
D – 30 mm
B – 7 mm
C – 7 mm
r min. – 0.3 mm
da min. – 19 mm
Da max. – 28 mm
ra max. – 0.3 mm
Weight – 0.018 Kg
Basic dynamic load rating (C) – 4,6 kN
Basic static load rating (C0) – 2,55 kN
(Grease) Lubrication Speed – 24000 r/min
(Oil) Lubrication Speed – 29000 r/min
Tags : NACHI,17x30x7HRD Bearing Co.,Limited. has been engaged in bearing industry for many years, we provide a wide selections of brands
including NACHI bearing, TIMKEN bearing, FAG bearing, NTN bearings, SKF bearings, deep groove ball
bearings, cylindrical roller bearings, tapered roller bearings, self-aligning ball bearings,thrust ball bearings, rolling mill
bearings, spherical roller thrust bearings, spherical bearings, adapter sleeves, withdrawal sleeves, lock nut, lock washer,
locking device, etc.
We can provide bearing and non-standard bearings, linear bearings, automotive bearings, large bearings, railway bearings,
spherical plain bearings, high temperature, super-precision bearings, as well as some rare types customized to your need.
Our bearings are exported to countries and regions in Europe (the UK, France, Italy, Germany), North America (USA, Canda),
Middle East and Southeast Asia.
Our goal is to exceed our customers’ expectation in providing quality products and continue to improve the services we
provide on a timely manner.
Please view the products at our website that we can supply. You can also contact our sales representative to request a
price quotation on the products that you are looking for that may not been shown on our website.