Angular contact ball bearings, super-precision 71960 CDMA/HCP4A
Bearing number : 71960 CDMA/HCP4A
Size (mm) : 300x420x56
Brand : SKF
Bore Diameter (mm) : 300
Outer Diameter (mm) : 420
Width (mm) : 56
Bearing dimensions and specification in SKF catalogue:
d - 300 mm
D - 420 mm
B - 56 mm
d1 - 337 mm
d2 - 337 mm
D1 - 383 mm
r1,2 - min. - 3 mm
r3,4 - min. - 1.1 mm
a - 76.4 mm
da - min. - 313 mm
db - min. - 313 mm
Da - max. - 405 mm
Db - max. - 414 mm
ra - max. - 2.5 mm
rb - max. - 1 mm
dn - 347 mm
Basic dynamic load rating - C - 371 kN
Basic static load rating - C0 - 600 kN
Fatigue load limit - Pu - 13.4 kN
Limiting speed for grease lubrication - 3800 r/min
Limiting speed for oil lubrication - 5300 mm/min
Ball - Dw - 38.1 mm
Ball - z - 26
Gref - 265 cm3
Calculation factor - f0 - 16.3
Preload class A - GA - 1400 N
Preload class B - GB - 2800 N
Preload class C - GC - 5600 N
Preload class D - GD - 11200 N
Calculation factor - f - 1.22
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.07
Calculation factor - f2C - 1.12
Calculation factor - f2D - 1.18
Calculation factor - fHC - 1.04
Preload class A - 302 N/micron
Preload class B - 409 N/micron
Preload class C - 570 N/micron
Preload class D - 822 N/micron
Mass bearing - 19.4 kg
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Front wheel bearing is humming and it is separate from the hub. Current mileage is 174000km, never changed before. Honda Civic uses NSK as its OE for this model. I will probably order from US and ship to Canada. Here are the USD prices so far which includes shipping/import fees. Timken $55 SKF $75 NSK $83
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1. They are wrong. They market OEM and aftermarket, each has different performance criteria. They may have dropped what they called "value grade", but they are still marketing aftermarket hub bearings, and are working with China to source parts and hopefully source complete bearings.
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Deep groove ball bearings are particularly versatile. They are suitable for high and very high speeds, accommodate radial and axial loads in both directions and require little maintenance. Because deep groove ball bearings are the most widely used bearing type, they are available from SKF in many designs, variants and sizes.
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SKF is a leading provider of rolling bearings and related technologies, sealing solutions, lubrication systems, linear motion products, and services. Our fundamental strength is the ability to continuously develop new technologies – then use them to create products that offer competitive advantages to our customers.