7021A5TRDULP3 NSK Super Precision Bearings

What are 2.5 mm C2 the dimensions of a 87 N/µm Static axial stiffness, preload class A 7021A5TRDULP3 NSK Super Precision Bearings? Super Precision Bearings NACHI BEARINGS OF AMERICA CORP. Manufacturing Service . Get Your Free, Instant Quote‎!

Brand Name: NSK
Model Number: 7021A5TRDULP3
Static axial stiffness, preload class A: 87 N/µm
Calculation factor f2A: 1
C2: 2.5 mm
Calculation factor (back-to-back, face-to-face) Y2: 1.41
Calculation factor f: 1.06
rb max.: 0.6 mm
Reference grease quantity Gref: 2.8 cm³
Attainable speed for oil-air lubrication: 41000 r/min
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Product Details

Static axial stiffness, preload class A 87 N/µm
Calculation factor f2A 1
C2 2.5 mm
Calculation factor (back-to-back, face-to-face) Y2 1.41
Calculation factor f 1.06
rb max. 0.6 mm
Reference grease quantity Gref 2.8 cm³
Attainable speed for oil-air lubrication 41000 r/min
Calculation factor f2B 1.03
Calculation factor (back-to-back, face-to-face) Y1 0.92
D1 58.25 mm
Static axial stiffness, preload class C 169 N/µm
C1 4.5 mm
Calculation factor (single, tandem) X2 0.41
Calculation factor e 0.68
Preload class B GB 310 N
Preload class A GA 105 N
C3 3 mm
a 20.3 mm
Preload class C GC 630 N
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