KOYO bearings 621/612
JTEKT Japanese KOYO Bearings 621/612 Quick Delivery KOYO Tapered roller bearings.Suitable for various devices
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Model: | 621/612 |
Dimensions(mm): | 53.975x120.65x41.275 |
Email: | iuabearing@gmail.com |
Payment: | L/C, T/T, D/P, Money Gram, Western Union, Paypal |
Sample: | Free Samples Is Available |
Delivery Terms: | By Sea, Air Or Express-DHL,FedEx, TNT, UPS, EMS |
We are the professional after-sales supplier of KOYO. The KOYO 621/612 bearings are all subject to strict quality inspections before leaving the factory.
The Iua Bearing Company exports approximately 80 million sets of bearings every year. We are a professional bearing supplier, and we have a large quantity of KOYO 621/612 bearings and related products for export. We have a large stock of KOYO 621/612 bearings and related products. We offer high-quality and reasonably priced 621/612 bearings, or we can produce high-quality bearings for you based on technical parameter data or drawings. Bearings are widely used in automobiles, motors, gears, injection molding machines, machine tools, mining machinery, construction machinery, motorcycles, office equipment, paper machinery, pumps and compressors, wind turbines, etc.

Bearing number : 621/612
Size (mm) : 53.975x120.65x41.275
Brand : KOYO
Bore Diameter (mm) : 53,975
Outer Diameter (mm) : 120,65
Width (mm) : 41,275
Bearing dimensions and specification in KOYO catalogue:
d - 53,975 mm
D - 120,65 mm
T - 41,275 mm
B - 41,275 mm
C - 31,75 mm
a - 27,3 mm
r min. - 3,6 mm
r2 min. - 3,2 mm
da min. - 70 mm
Da - 105 mm
db min - 63 mm
ra max. - 3,6 mm
rb max. - 3,2 mm
Db - 110 mm
Weight - 2,213 Kg
Basic dynamic load rating (C) - 174 kN
Basic static load rating (C0) - 217 kN
(Grease) Lubrication Speed - 3500 r/min
(Oil) Lubrication Speed - 4600 r/min
Calculation factor (e) - 0,31
Calculation factor (Y0) - 1,05
Calculation factor (Y1) - 1,91
Tags : IUA KOYO Bearing Co.,Limited
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