Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71907 CD/HCP4A

S71907 CD/HCP4A

Dimensions

d		35	mm
D		55	mm
B		10	mm
d₁		41.6	mm
d₂		41.6	mm
D₂		50.07	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		11.1	mm

Abutment dimensions

d_a	min.	38.2	mm
d_a	max.	41.1	mm
d_b	min.	38.2	mm
d_b	max.	41.1	mm
D_a	max.	51.8	mm
D_b	max.	53.6	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	9.75	kN
Basic static load rating	C₀	6.55	kN
Fatigue load limit	P_u	0.275	kN
Attainable speed for grease lubrication		32000	r/min
Ball diameter	D_w	5.556	mm
Number of balls	z	21
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	35	N
Static axial stiffness, preload class A		35	N/µm
Preload class B	G_B	70	N
Static axial stiffness, preload class B		47	N/µm
Preload class C	G_C	140	N
Static axial stiffness, preload class C		64	N/µm
Preload class D	G_D	280	N
Static axial stiffness, preload class D		91	N/µm
Calculation factors
Calculation factor	f	1.1
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.18
Calculation factor	f_HC	1.04
Calculation factor	f₀	10.4

Mass

Mass bearing

0.068

Model Number: S71907 CD/HCP4A
Inner Diameter：35mm Outer Diameter：55mm Width：10mm
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:electronic materials,packaging materials,glass processing machine,medical equipment,Spectrum Products,Spectrum Products,sterilizers,Plastic molding,coal mill,plant determination,Storage Tool
Similar models:71907 CE/HCP4AL 71907 ACE/P4AL S71907 CD/P4A 71907 CE/P4AL S71907 ACE/P4A S71907 ACD/HCP4A 71907 ACE/HCP4AH 71907 CE/P4AH 71907 CE/P4A 71907 CD/HCP4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
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25100	63.5	98.45	11.13	Seals
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4213 ATN9	65	120	31	Bearings, units and housings
540 VE R	526	-	-	Seals
61828-2RZ	140	175	18	Bearings, units and housings
625/HR11TN	5	16	5	Bearings, units and housings
7220 CD/HCP4A	100	180	34	Bearings, units and housings
99367	95.3262	102.235	12.7	Seals
PRM 657055	65	70	55	Bearings, units and housings
SAF 22544 TLC	201.6125	-	-	Bearings, units and housings
SAL 12 E	12	-	10	Bearings, units and housings

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