Bearing 7228B (KOYO)
Japan’s Koyo bearing company produces tens of thousands of high-precision and high-quality Koyo bearing series products), providing information about aerospace technology, computer components, motors, high-speed trains, MRT trains, industrial machinery, CNC lathes, high-precision machining machines, automobile, locomotive industry, steel industry And other important components to make the best choice.
Bearing 7228B (KOYO)
Angular contact ball bearings 7228B
Bearing number : 7228B
Size (mm) : 140x250x42
Brand : KOYO
Bore Diameter (mm) : 140
Outer Diameter (mm) : 250
Width (mm) : 42
Bearing dimensions and specification in KOYO catalogue:
d – 140 mm
D – 250 mm
B – 42 mm
C – 42 mm
Angle (α) – 40 °
a – 102,8 mm
r min. – 3 mm
r1 min. – 1,1 mm
da min. – 154 mm
Da max. – 236 mm
ra max. – 2.5 mm
Weight – 7,76 Kg
Basic dynamic load rating (C) – 197 kN
Basic static load rating (C0) – 213 kN
(Grease) Lubrication Speed – 2200 r/min
(Oil) Lubrication Speed – 2900 r/min
Tags : KOYO,140x250x42HRD Bearing Co.,Limited. has been engaged in bearing industry for many years, we provide a wide selections of brands
including KOYO bearing, KOYO 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.