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

71908 CB/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		14.8	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	7.15	kN
Basic static load rating	C₀	6.95	kN
Fatigue load limit	P_u	0.176	kN
Attainable speed for grease lubrication		36000	r/min
Attainable speed for oil-air lubrication		56000	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	18	N
Static axial stiffness, preload class A		27	N/µm
Preload class B	G_B	36	N
Static axial stiffness, preload class B		36	N/µm
Preload class C	G_C	110	N
Static axial stiffness, preload class C		58	N/µm
Calculation factors
Calculation factor	f	1.06
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1.01
Calculation factor	f₀	9.8

Mass

Mass bearing

0.11

Model Number: 71908 CB/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：2025-12-09
Application:Dental Equipment,chemical,electromagnet,electric pump,cooling system,rolling mill roll neck and slowdown device,Beauty and Body,equipment and,Pneumatic Control Valves,wheel lathe,Broadcasting System
Similar models:S71908 ACD/HCP4A 71908 ACD/P4A 71908 ACE/P4AH1 71908 CE/HCP4AL S71908 ACB/P4A 71908 CD/HCP4A S71908 CD/P4A 71908 CE/P4AH1 71908 CE/P4A 71908 ACE/P4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71908CB/HCP4AL products，there is large inventory of SKF 71908 CB/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 CB/HCP4AL Which SKF 71908CB/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
115x145x12 HMSA10 RG	115	145	12	Seals
7010 CB/HCP4A	50	80	16	Bearings, units and housings
71920 CD/HCP4A	100	140	20	Bearings, units and housings
FYTB 2.3/16 FM	55.563	-	-	Bearings, units and housings
GB 3015	-	-	48	Bearings, units and housings
GEH 20 ESX-2LS	20	42	16	Bearings, units and housings
NU 1038 ML	190	290	46	Bearings, units and housings
SAF 22624 T	106.3625	-	-	Bearings, units and housings
RNA 49/28	32	45	17	Bearings, units and housings
S71904 ACE/P4A	20	37	9	Bearings, units and housings
SAFS 23024 KAT-11 x 4.1/4	107.95	-	-	Bearings, units and housings
SSAFS 22522 x 3.13/16 TLC	96.8375	-	-	Bearings, units and housings

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Hot number： 305802 C-2RS1 54410 + U 410 85x150x12 HMS5 RG C 2210 TN9 FYAWK 504 L FYJ 508 IR 70x80x30 K 35x40x25 KMD 6 NNTR 90x220x100.2ZL SSAFS 22218 TLC YET 206-103 W 06 YELAG 204 Z 216 F