Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71960 CDMA/P4A

71960 CDMA/P4A

Dimensions

d		300	mm
D		420	mm
B		56	mm
d₁		337	mm
d₂		337	mm
D₁		383	mm
r_1,2	min.	3	mm
r_3,4	min.	1.1	mm
a		76.4	mm

Abutment dimensions

d_a	min.	313	mm
d_b	min.	313	mm
D_a	max.	405	mm
D_b	max.	414	mm
r_a	max.	2.5	mm
r_b	max.	1	mm
d_n		347	mm

Calculation data

Basic dynamic load rating	C	371	kN
Basic static load rating	C₀	600	kN
Fatigue load limit	P_u	13.4	kN
Attainable speed for grease lubrication		3000	r/min
Attainable speed for oil-air lubrication		4500	r/min
Ball diameter	D_w	38.1	mm
Number of balls	z	26
Reference grease quantity	G_ref	265	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	1400	N
Static axial stiffness, preload class A		272	N/µm
Preload class B	G_B	2800	N
Static axial stiffness, preload class B		369	N/µm
Preload class C	G_C	5600	N
Static axial stiffness, preload class C		514	N/µm
Preload class D	G_D	11200	N
Static axial stiffness, preload class D		741	N/µm
Calculation factors
Calculation factor	f	1.22
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.09
Calculation factor	f_2D	1.15
Calculation factor	f_HC	1
Calculation factor	f₀	16.3

Mass

Mass bearing

Model Number: 71960 CDMA/P4A
Inner Diameter：300mm Outer Diameter：420mm Width：56mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Angular contact ball bearings Angular contact ball bearings, super-precision
Details： Angular contact ball bearings, super-precision
Update date：2026-04-18
Application:test strip,Machine tool accessories,metallurgical mold,Low-voltage electrical equipment,Insect Capture,axle lathe,Pneumatic Control Valves,Generator,spreader series,Pump,Perfusion device
Similar models:71960 ACDMA/P4A 71960 ACDMA/HCP4A 71960 CDMA/P4A 71960 CDMA/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71960CDMA/P4A products，there is large inventory of SKF 71960 CDMA/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71960 CDMA/P4A Which SKF 71960CDMA/P4A is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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