Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71908 CD/P4A

S71908 CD/P4A

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		12.9	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	12.4	kN
Basic static load rating	C₀	8.5	kN
Fatigue load limit	P_u	0.36	kN
Attainable speed for grease lubrication		20000	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	45	N
Static axial stiffness, preload class A		36	N/µm
Preload class B	G_B	90	N
Static axial stiffness, preload class B		48	N/µm
Preload class C	G_C	180	N
Static axial stiffness, preload class C		66	N/µm
Preload class D	G_D	360	N
Static axial stiffness, preload class D		93	N/µm
Calculation factors
Calculation factor	f	1.09
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.09
Calculation factor	f_2D	1.15
Calculation factor	f_HC	1
Calculation factor	f₀	10.4

Mass

Mass bearing

0.11

Model Number: S71908 CD/P4A
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:hook,extruder,ventilator anesthesia machine etc,pump accessories,Plastic molding,Industrial,glass processing machine,milling head plug,Sensors,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,tapping machine
Similar models:71908 CE/HCP4AL S71908 ACE/P4A 71908 ACB/HCP4AL S71908 CB/HCP4A 71908 ACE/P4AH1 71908 CE/P4AH1 71908 CE/P4A 71908 ACE/HCP4A 71908 ACB/P4A 71908 ACD/P4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
30x62x10 HMS5 V	30	62	10	Seals
58741	149.225	180.98	12.7	Seals
700x740x20 HDS1 R	700	740	20	Seals
7032 ACD/HCP4AH1	160	240	38	Bearings, units and housings
GRA 3006	30	52	19	Bearings, units and housings
NK 100/26	100	120	26	Bearings, units and housings
SAF 22326 TLC	130	-	-	Bearings, units and housings
SNL 3176 ATURA	360	-	-	Bearings, units and housings
SNW 10x1.1/2	38.1	64.4144	44.577	Bearings, units and housings
SSAFS 22516 x 2.5/8	66.675	-	-	Bearings, units and housings
SY 1.7/16 LDW	36.5125	-	-	Bearings, units and housings
W 639/1.5-2Z	1.5	5	2.6	Bearings, units and housings

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