Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7217 ACD/HCP4A

7217 ACD/HCP4A

Dimensions

d		85	mm
D		150	mm
B		28	mm
d₁		106.5	mm
d₂		106.5	mm
D₁		129.5	mm
r_1,2	min.	2	mm
r_3,4	min.	1	mm
a		41.7	mm

Abutment dimensions

d_a	min.	96	mm
d_b	min.	96	mm
D_a	max.	139	mm
D_b	max.	144.4	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		111.5	mm

Calculation data

Basic dynamic load rating	C	95.6	kN
Basic static load rating	C₀	85	kN
Fatigue load limit	P_u	3.35	kN
Attainable speed for grease lubrication		9500	r/min
Attainable speed for oil-air lubrication		16000	r/min
Ball diameter	D_w	19.05	mm
Number of balls	z	17
Reference grease quantity	G_ref	21.822	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	600	N
Static axial stiffness, preload class A		278	N/µm
Preload class B	G_B	1200	N
Static axial stiffness, preload class B		361	N/µm
Preload class C	G_C	2400	N
Static axial stiffness, preload class C		477	N/µm
Preload class D	G_D	4800	N
Static axial stiffness, preload class D		642	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	1.03
Calculation factor	f_2D	1.06
Calculation factor	f_HC	1.01
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

1.57

Model Number: 7217 ACD/HCP4A
Inner Diameter：85mm Outer Diameter：150mm Width：28mm
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：2021-06-06
Application:hydraulic cylinder,electrocardiograph,Solenoid Valves,air conditioning tools,linear drive,injection molding machine,coal,universal category,surgical instruments,tooth filling,Switch
Similar models:7217 BEGAP 7217 BEP 7217 CD/HCP4A 7217 BECBP 7217 BEGAF 7217 BECBY 7217 ACD/P4A 7217 BECBJ 7217 ACD/HCP4A 7217 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 7217ACD/HCP4A products，there is large inventory of SKF 7217 ACD/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 7217 ACD/HCP4A Which SKF 7217ACD/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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