Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71908 ACD/HCP4A

S71908 ACD/HCP4A

Dimensions

d		40	mm
D		62	mm
B		12	mm
d₁		47.1	mm
d₂		47.1	mm
D₂		57.12	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		18	mm

Abutment dimensions

d_a	min.	43.2	mm
d_a	max.	46.6	mm
d_b	min.	43.2	mm
d_b	max.	46.6	mm
D_a	max.	58.8	mm
D_b	max.	60.6	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	11.7	kN
Basic static load rating	C₀	8	kN
Fatigue load limit	P_u	0.34	kN
Attainable speed for grease lubrication		22000	r/min
Ball diameter	D_w	6.35	mm
Number of balls	z	21
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	70	N
Static axial stiffness, preload class A		98	N/µm
Preload class B	G_B	140	N
Static axial stiffness, preload class B		127	N/µm
Preload class C	G_C	280	N
Static axial stiffness, preload class C		167	N/µm
Preload class D	G_D	560	N
Static axial stiffness, preload class D		221	N/µm
Calculation factors
Calculation factor	f	1.09
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

0.1

Model Number: S71908 ACD/HCP4A
Inner Diameter：40mm Outer Diameter：62mm 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：2026-04-17
Application:historical instruments,bio-chemical,Rolling mill gear box,food testing,plastic molding,mechanical annex,stamping die,die casting mold,sucker industry,vertical pull,surgical instruments
Similar models:71908 CE/HCP4AH1 71908 ACE/HCP4A S71908 ACB/HCP4A S71908 ACE/P4A 71908 CB/P4AL 71908 ACD/P4A 71908 CB/HCP4A 71908 ACB/P4A 71908 ACE/P4A S71908 ACD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in S71908ACD/HCP4A products，there is large inventory of SKF S71908 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 S71908 ACD/HCP4A Which SKF S71908ACD/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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FYTB 1.15/16 LDW	49.2125	-	-	Bearings, units and housings
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Hot number： 22225 241/1000 ECAF/W33 331729 48x80x8 CRW1 R 550085 7018 CB/P4AL K 150x160x46 K 42x47x17 NCF 2940 CV NKIS 35 PCMW 203601.5 E S71913 ACB/P4A SAF 1609 x 1.3/8 T SYNT 40 FW T4DB 160