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S7211 ACD/HCP4A - High precision angular contact ball bearing - Precision ball bearing

Product modelS7211 ACD/HCP4A
d55 mm
D100 mm
B21 mm
d168.9mm
d268.9mm
D289.1mm
r1,2min.1.5mm
r3,4min.0.6mm
a28.7mm
damax.68.1mm
dbmax.68.1mm
Damax.91mm
Dbmax.95.8mm
Fillet radius(ra)max.1.5mm
Fillet radius(rb)max.0.6mm
Pu1.27kN
Oil and gas lubrication can reach the speed15000r/min
Contact angle(α)25°
Ball diameter(Dw)14.288mm
The number of pages(z)15
Preload level A(GA)330N
Static axial stiffness of preload level A191N/µm
Preload class B(GB)660N
Static axial stiffness of preload class B248N/µm
Preload level C(GC)1320N
Static axial stiffness of preload level C329N/µm
Preload level D(GD)2640N
Static axial stiffness of preload level D443N/µm
Correction factor depends on bearing series and size (f)1.08
The correction factor depends on the contact angle(f1)0.99
Correction factor, preload class A(f2A)1
Correction factor, preload class B(f2B)1.01
Correction factor, preload class C(f2C)1.03
Correction factor, preload class D(f2D)1.06
Correction factor of hybrid ceramic bearing(fHC)1.01
Limit value (e)0.68
Axial load factor (single shaft, tandem shaft)(Y2)0.87
Axial load factor (single shaft, tandem shaft)(Y0)0.38
Axial load factor (single shaft, tandem shaft)(X2)0.41
Axial load factor (back to back, face to face) (Y1)0.92
Axial load factor (back to back, face to face) (Y2)1.41
Axial load factor (back to back, face to face) (Y0)0.76
Radial load factor (back to back, face to face) (X2)0.67
Weight0.52kg

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S7211 ACD/HCP4A / High precision angular contact ball bearing / Precision ball bearing