Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7215 CD/HCP4A

7215 CD/HCP4A

Dimensions

d		75	mm
D		130	mm
B		25	mm
d₁		92.9	mm
d₂		92.9	mm
D₁		112.1	mm
r_1,2	min.	1.5	mm
r_3,4	min.	0.6	mm
a		26.3	mm

Abutment dimensions

d_a	min.	84	mm
d_b	min.	84	mm
D_a	max.	121	mm
D_b	max.	125.8	mm
r_a	max.	1.5	mm
r_b	max.	0.6	mm
d_n		96.6	mm

Calculation data

Basic dynamic load rating	C	71.5	kN
Basic static load rating	C₀	62	kN
Fatigue load limit	P_u	2.65	kN
Attainable speed for grease lubrication		14000	r/min
Attainable speed for oil-air lubrication		20000	r/min
Ball diameter	D_w	15.875	mm
Number of balls	z	17
Reference grease quantity	G_ref	14.895	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	270	N
Static axial stiffness, preload class A		97	N/µm
Preload class B	G_B	540	N
Static axial stiffness, preload class B		131	N/µm
Preload class C	G_C	1080	N
Static axial stiffness, preload class C		183	N/µm
Preload class D	G_D	2160	N
Static axial stiffness, preload class D		263	N/µm
Calculation factors
Calculation factor	f	1.08
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.01
Calculation factor	f_2C	1.03
Calculation factor	f_2D	1.06
Calculation factor	f_HC	1.01
Calculation factor	f₀	15

Mass

Mass bearing

1.04

Model Number: 7215 CD/HCP4A
Inner Diameter：75mm Outer Diameter：130mm Width：25mm
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：2021-06-03
Application:magnetic elements,supporting facilities,Other Measurements,agriculture,tobacco machinery,reinforced machinery,Wire grinder,security equipment,Industrial,Hairbrush device,water protection
Similar models:7215 CD/P4A 7215 BECBJ 7215 BECBPH 7215 BEGAY 7215 ACD/P4A 7215 BEP 7215 BEGAP 7215 BEGAM S7215 CD/P4A S7215 ACD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 7215CD/HCP4A products，there is large inventory of SKF 7215 CD/HCP4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 7215 CD/HCP4A Which SKF 7215CD/HCP4A 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.

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