Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71956 CD/HCP4A

71956 CD/HCP4A

Dimensions

d		280	mm
D		380	mm
B		46	mm
d₁		311.8	mm
d₂		311.8	mm
D₁		348.2	mm
r_1,2	min.	2.1	mm
r_3,4	min.	1.1	mm
a		67.4	mm

Abutment dimensions

d_a	min.	291	mm
d_b	min.	291	mm
D_a	max.	369	mm
D_b	max.	374	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		319.7	mm

Calculation data

Basic dynamic load rating	C	291	kN
Basic static load rating	C₀	455	kN
Fatigue load limit	P_u	10.6	kN
Attainable speed for grease lubrication		4000	r/min
Attainable speed for oil-air lubrication		5600	r/min
Ball diameter	D_w	30.162	mm
Number of balls	z	31
Reference grease quantity	G_ref	159	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	1090	N
Static axial stiffness, preload class A		295	N/µm
Preload class B	G_B	2180	N
Static axial stiffness, preload class B		403	N/µm
Preload class C	G_C	4360	N
Static axial stiffness, preload class C		565	N/µm
Preload class D	G_D	8720	N
Static axial stiffness, preload class D		822	N/µm
Calculation factors
Calculation factor	f	1.27
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.18
Calculation factor	f_HC	1.04
Calculation factor	f₀	16.7

Mass

Mass bearing

11.1

Model Number: 71956 CD/HCP4A
Inner Diameter：280mm Outer Diameter：380mm Width：46mm
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：2024-12-13
Application:diagnostic test paper,construction machinery and equipment,Laser Cutting,Plastic molding,container finishing,industrial fans,agrochemical,bag machine,equipment,vacuum filter,horizontal processing
Similar models:71956 ACD/P4A 71956 CD/HCP4A 71956 ACD/HCP4A 71956 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71956CD/HCP4A products，there is large inventory of SKF 71956 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 71956 CD/HCP4A Which SKF 71956CD/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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