Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7215 ACD/P4A

7215 ACD/P4A

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		36.5	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	68.9	kN
Basic static load rating	C₀	58.5	kN
Fatigue load limit	P_u	2.5	kN
Attainable speed for grease lubrication		9000	r/min
Attainable speed for oil-air lubrication		15000	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	430	N
Static axial stiffness, preload class A		211	N/µm
Preload class B	G_B	860	N
Static axial stiffness, preload class B		274	N/µm
Preload class C	G_C	1720	N
Static axial stiffness, preload class C		361	N/µm
Preload class D	G_D	3440	N
Static axial stiffness, preload class D		487	N/µm
Calculation factors
Calculation factor	f	1.08
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.01
Calculation factor	f_2C	1.02
Calculation factor	f_2D	1.05
Calculation factor	f_HC	1
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

1.21

Model Number: 7215 ACD/P4A
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：2021-06-04
Application:cleaners,generator,Machine Tool Accessories,walking Food processing machinery and equipment,Cylinder Type,motor,cleaning agent,Cylinder Special,electrocardiograph,welding equipment,education model Instruments
Similar models:7215 BECBP 7215 BECBPH 7215 BEGAP 7215 BECBY 7215 BECBM 7215 CD/HCP4A 7215 BEP 7215 BEGAM 7215 CD/P4A S7215 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 7215ACD/P4A products，there is large inventory of SKF 7215 ACD/P4A 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 ACD/P4A Which SKF 7215ACD/P4A 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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