Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71908 ACB/HCP4AL

71908 ACB/HCP4AL

Dimensions

d		40	mm
D		62	mm
B		12	mm
d₁		48.46	mm
d₂		47.6	mm
D₂		55.64	mm
b		2	mm
C₁		5.9	mm
C₂		2.8	mm
C₃		1.7	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		20.2	mm

Abutment dimensions

d_a	min.	43.2	mm
d_b	min.	43.2	mm
D_a	max.	58.8	mm
D_b	max.	60	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm
d_n		49.1	mm

Calculation data

Basic dynamic load rating	C	6.76	kN
Basic static load rating	C₀	6.4	kN
Fatigue load limit	P_u	0.166	kN
Attainable speed for grease lubrication		32000	r/min
Attainable speed for oil-air lubrication		50000	r/min
Ball diameter	D_w	3.969	mm
Number of balls	z	28
Reference grease quantity	G_ref	1.38	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	31	N
Static axial stiffness, preload class A		73	N/µm
Preload class B	G_B	62	N
Static axial stiffness, preload class B		92	N/µm
Preload class C	G_C	185	N
Static axial stiffness, preload class C		138	N/µm
Calculation factors
Calculation factor	f	1.06
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

0.11

Model Number: 71908 ACB/HCP4AL
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：2026-04-16
Application:Medical printer,milling head plug,electrocardiograph,switch,hydraulic actuator,universal category,bathroom facilities,wall industry,safety testing,Medical equipment,small appliances
Similar models:71908 CB/P4AL 71908 CE/P4AH1 71908 ACE/P4AL S71908 ACE/P4A 71908 ACD/P4A S71908 CE/P4A S71908 ACB/P4A S71908 ACD/HCP4A 71908 ACB/HCP4AL 71908 CE/HCP4AH1
BEARING POWER International Trading Co.,Ltd. specialize in 71908ACB/HCP4AL products，there is large inventory of SKF 71908 ACB/HCP4AL Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71908 ACB/HCP4AL Which SKF 71908ACB/HCP4AL 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
22336 CCJA/W33VA405	180	380	126	Bearings, units and housings
BD-232/710 CAK/W33-OH 32/710 H	670	1280	450	Bearings, units and housings
400030	2.5	-	-	Seals
35080	88.9	126.97	11.13	Seals
65x97x7 HMSA10 RG	65	97	7	Seals
7028 CD/HCP4AL	140	210	33	Bearings, units and housings
7309 ACCBM	45	100	25	Bearings, units and housings
BD-C 3096 KM-AOHX 3096 G	460	700	165	Bearings, units and housings
GS 81208	40	68	5	Bearings, units and housings
HJ 2226 EC	130	164.1	21	Bearings, units and housings
SALA 70 TXE-2LS	70	-	49	Bearings, units and housings
SSAFS 22534 x 5.7/8 T	149.225	-	-	Bearings, units and housings

Purchase the SKF 71908 ACB/HCP4AL Please fill in the following

Hot number： BD-22324 CCK/W33-AHX 2324 G 2450 35x47x7 HMS5 V 6310-2Z/VA228 70054 70x95x10 HMS5 RG 7309 BECBJ 99244 BS2-2214-2RSK/VT143 NUP 214 ECM OH 31/500 H OKBS 125 RNAO 20x28x26 SY 2.3/16 TF W 61900