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：2021-06-08
Application:Dental Drill etc,Control,Pneumatic Control Elements,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,training beds etc,chuck industry,test equipment,baler,survey accessories,comprehensive experiment,pipe fittings Steel industry
Similar models:71907 ACE/HCP4AL S71907 ACE/P4A S71907 CD/P4A S71907 CB/HCP4A 71907 CE/P4AL 71907 CD/P4A 71907 ACE/HCP4A 71907 CB/HCP4A S71907 ACD/HCP4A S71907 CD/HCP4A
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Hot number： 1226 KM + H 3026 12x22x7 HMS5 RG 13556 16006 314792 A 6218-Z 6028-Z 6206-Z 6211-2Z/VA208 JM 718149/110 KMFE 24 SAF 22313 S71911 ACB/HCP4A SAFS 22226 SILA 45 ES-2RS