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

71910 ACD/HCP4A

Dimensions

d		50	mm
D		72	mm
B		12	mm
d₁		57.1	mm
d₂		57.1	mm
D₁		64.9	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		20.3	mm

Abutment dimensions

d_a	min.	53.2	mm
d_b	min.	53.2	mm
D_a	max.	68.8	mm
D_b	max.	70.6	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	12.7	kN
Basic static load rating	C₀	9.8	kN
Fatigue load limit	P_u	0.415	kN
Attainable speed for grease lubrication		19000	r/min
Attainable speed for oil-air lubrication		30000	r/min
Ball diameter	D_w	6.35	mm
Number of balls	z	25
Reference grease quantity	G_ref	1.74	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	80	N
Static axial stiffness, preload class A		117	N/µm
Preload class B	G_B	160	N
Static axial stiffness, preload class B		152	N/µm
Preload class C	G_C	320	N
Static axial stiffness, preload class C		200	N/µm
Preload class D	G_D	640	N
Static axial stiffness, preload class D		266	N/µm
Calculation factors
Calculation factor	f	1.13
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.17
Calculation factor	f_HC	1.04
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

0.12

Model Number: 71910 ACD/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：2025-12-09
Application:Machine Tool Accessories,machine tool spindle,Special Equipment,Spectrum Products,Display Devices,comprehensive experiment,drawing die,animal,clean stationery,plastic molding,Textile Accessories
Similar models:S71910 ACB/HCP4A 71910 ACB/HCP4A 71910 CE/HCP4A S71910 ACD/P4A 71910 CD/P4A 71910 ACD/HCP4A S71910 ACE/HCP4A 71910 ACE/P4AL 71910 ACE/HCP4AH1 S71910 ACE/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71910ACD/HCP4A products，there is large inventory of SKF 71910 ACD/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 ACD/HCP4A Which SKF 71910ACD/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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
11390	28.575	62	6.35	Seals
15x26x7 HMSA10 V	15	26	7	Seals
18591	47.625	66.62	6.35	Seals
38739	98.425	133.38	11.13	Seals
52x68x8 HMS5 V	52	68	8	Seals
71921 ACD/P4AH1	105	145	20	Bearings, units and housings
BSD 55120 C	55	120	20	Bearings, units and housings
BT2B 332446	536.575	761.873	-	Bearings, units and housings
C 39/800 M	800	1060	195	Bearings, units and housings
HA 2334	150.8125	170	154	Bearings, units and housings
OKC 630	630		-
SNW 36x6.7/16	163.5125	230.3272	127.7112	Bearings, units and housings

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