Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71908 ACB/P4AL

71908 ACB/P4AL

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		28000	r/min
Attainable speed for oil-air lubrication		43000	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		65	N/µm
Preload class B	G_B	62	N
Static axial stiffness, preload class B		83	N/µm
Preload class C	G_C	185	N
Static axial stiffness, preload class C		124	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	1.07
Calculation factor	f_HC	1
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: 71908 ACB/P4AL
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:Spectrum Products,construction machinery and equipment,Broadcasting System,multi-knife lathe,Technical Equipment,medical equipment,Medical equipment,Storage Tool,textile machinery,luminescent reagent,car
Similar models:S71908 ACB/HCP4A S71908 ACE/P4A 71908 CE/HCP4AL 71908 ACE/P4AH1 S71908 ACD/HCP4A 71908 ACE/P4A S71908 ACD/P4A S71908 ACE/HCP4A 71908 ACB/P4AL 71908 CE/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71908ACB/P4AL products，there is large inventory of SKF 71908 ACB/P4AL 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/P4AL Which SKF 71908ACB/P4AL 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
20x38x7 HMSA10 V	20	38	7	Seals
25x52x8 HMS5 RG	25	52	8	Seals
26123	66.675	85.09	9.53	Seals
26x42x7 HMSA10 V	26	42	7	Seals
3317 A	85	180	73	Bearings, units and housings
BT2B 328361/HA1	464	615.95	-	Bearings, units and housings
BD-C 3176 KMB-OH 3176 HE	360	620	194	Bearings, units and housings
K 25x33x24	25	33	24	Bearings, units and housings
HE 2322 E	101.6	110	105	Bearings, units and housings
K 30x34x13	30	34	13	Bearings, units and housings
PBMF 13015090 M1G1	130	150	90	Bearings, units and housings
SNW 11x2	50.8	55	46.609	Bearings, units and housings

Purchase the SKF 71908 ACB/P4AL Please fill in the following

Hot number： 11550 400280 43x62x10 CRSH1 R 51102 V/HR11Q1 61888 MA 6324-2Z 71905 ACE/P4AH 71917 ACB/P4A AH 24036 BT4B 328912 E1/C300 LM 567949/910/HA1 OKBS 136 SSAFS 22528 T SY 1.1/16 TF W 628/8 R-2Z