Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71907 CB/HCP4A

71907 CB/HCP4A

Dimensions

d		35	mm
D		55	mm
B		10	mm
d₁		42.46	mm
d₂		41.56	mm
D₂		49.5	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		13.6	mm

Abutment dimensions

d_a	min.	38.2	mm
d_b	min.	38.2	mm
D_a	max.	51.8	mm
D_b	max.	53	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm
d_n		43	mm

Calculation data

Basic dynamic load rating	C	6.89	kN
Basic static load rating	C₀	6.2	kN
Fatigue load limit	P_u	0.156	kN
Attainable speed for grease lubrication		40000	r/min
Attainable speed for oil-air lubrication		63000	r/min
Ball diameter	D_w	3.969	mm
Number of balls	z	25
Reference grease quantity	G_ref	0.96	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	17	N
Static axial stiffness, preload class A		25	N/µm
Preload class B	G_B	34	N
Static axial stiffness, preload class B		33	N/µm
Preload class C	G_C	100	N
Static axial stiffness, preload class C		52	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	9.7

Mass

Mass bearing

0.074

Model Number: 71907 CB/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：2025-12-09
Application:miscellaneous instruments,manual Tools,electrocardiograph,garden machinery,Antenna Industry,Laser Cutting,plastic molding,hinge industry,metering pump,Material handling equipment,Industrial
Similar models:S71907 CD/P4A 71907 ACE/HCP4AH 71907 CB/P4A 71907 CE/HCP4AL 71907 CB/HCP4A 71907 ACD/P4A 71907 ACE/HCP4AL S71907 CE/P4A 71907 ACE/P4AL 71907 CE/HCP4AH
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Hot number： 23248 CC/W33 3307 A-2ZTN9/MT33 34861 37524 623-2Z 7019 CE/HCP4AL BK 3016 FSAF 1312 TLC GEZ 104 ES-2RS HJ 2205 EC PCM 242715 E QJ 238 N2MA RNU 211 ECJ SSAFS 22517 x 2.7/8 T SY 1.11/16 TF/VA201