Bearing B640-2 NSK
Deep groove ball bearings B640-2
Bearing number : B640-2
Size (mm) : 640x740x38
Brand : NSK
Bore Diameter (mm) : 640
Outer Diameter (mm) : 740
Width (mm) : 38
Bearing dimensions and specification in NSK catalogue:
d – 640 mm
D – 740 mm
B – 38 mm
C – 38 mm
r min. – 2,1 mm
da min. – 662 mm
Da max. – 714 mm
ra max. – 2 mm
Weight – 26,8 Kg
Basic dynamic load rating (C) – 248 kN
Basic static load rating (C0) – 535 kN
Calculation factor (f0) – 17,9
Tags : NSK,640x740x38NSK B640-2 BearingHRD Bearing Co.,Limited. has been engaged in bearing industry for many years, we provide a wide selections of brands
including NSK bearing, SKF bearing, FAG bearing, KOYO bearings, TIMKEN 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.
NSK B640-2 Bearing
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.