Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71910 ACB/HCP4A

71910 ACB/HCP4A

Dimensions

d		50	mm
D		72	mm
B		12	mm
d₁		57.95	mm
d₂		56.9	mm
D₂		66.04	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		23.2	mm

Abutment dimensions

d_a	min.	53.2	mm
d_b	min.	53.2	mm
D_a	max.	68.8	mm
D_b	max.	70	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm
d_n		58.7	mm

Calculation data

Basic dynamic load rating	C	9.75	kN
Basic static load rating	C₀	9.65	kN
Fatigue load limit	P_u	0.25	kN
Attainable speed for grease lubrication		28000	r/min
Attainable speed for oil-air lubrication		43000	r/min
Ball diameter	D_w	4.762	mm
Number of balls	z	29
Reference grease quantity	G_ref	1.89	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	43	N
Static axial stiffness, preload class A		89	N/µm
Preload class B	G_B	86	N
Static axial stiffness, preload class B		114	N/µm
Preload class C	G_C	260	N
Static axial stiffness, preload class C		172	N/µm
Calculation factors
Calculation factor	f	1.09
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1.01
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

0.13

Model Number: 71910 ACB/HCP4A
Inner Diameter：50mm Outer Diameter：72mm Width：12mm
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：2026-04-16
Application:Traffic Fire Protection Equipment Security equipment,tapered grinder,Air,beverage production,glass processing machine,mechanical and electrical,sleep monitoring,Gas turbine,spreader series,defogging and degreasing,Display Devices
Similar models:S71910 ACB/HCP4A 71910 CE/HCP4A 71910 ACB/P4AL S71910 CB/HCP4A 71910 ACB/P4A 71910 CB/P4A 71910 ACB/HCP4AL 71910 ACD/HCP4A S71910 ACE/P4A 71910 CE/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71910ACB/HCP4A products，there is large inventory of SKF 71910 ACB/HCP4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71910 ACB/HCP4A Which SKF 71910ACB/HCP4A 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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Hot number： 1900 VRME R 20x34x7 HMSA10 V 21352 294/500 EM 316083 A 33108/DF 61932 MA 6308/HR11QN 6379/K-6320 FYTBK 30 LF PCM 060808 E S7018 ACD/HCP4A SAFS 23024 KA-11 x 4.3/16 W 619/5-2Z W 627/4 R-2Z