Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71944 CD/HCP4A

71944 CD/HCP4A

Dimensions

d		220	mm
D		300	mm
B		38	mm
d₁		244.7	mm
d₂		244.7	mm
D₁		275.3	mm
r_1,2	min.	2.1	mm
r_3,4	min.	1	mm
a		54	mm

Abutment dimensions

d_a	min.	231	mm
d_b	min.	231	mm
D_a	max.	289	mm
D_b	max.	295	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		251.4	mm

Calculation data

Basic dynamic load rating	C	221	kN
Basic static load rating	C₀	300	kN
Fatigue load limit	P_u	7.8	kN
Attainable speed for grease lubrication		5300	r/min
Attainable speed for oil-air lubrication		7500	r/min
Ball diameter	D_w	25.4	mm
Number of balls	z	29
Reference grease quantity	G_ref	84	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	850	N
Static axial stiffness, preload class A		248	N/µm
Preload class B	G_B	1700	N
Static axial stiffness, preload class B		340	N/µm
Preload class C	G_C	3400	N
Static axial stiffness, preload class C		481	N/µm
Preload class D	G_D	6800	N
Static axial stiffness, preload class D		705	N/µm
Calculation factors
Calculation factor	f	1.28
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	16.5

Mass

Mass bearing

5.56

Model Number: 71944 CD/HCP4A
Inner Diameter：220mm Outer Diameter：300mm Width：38mm
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:Broadcasting System,electronic components,ECG,Garment Accessories,ventilation equipment,Traffic Fire Protection Equipment Security equipment,air shower etc,vacuum suction cup,miscellaneous instruments,Embroidery,beverage production
Similar models:71944 ACD/P4A 71944 CD/HCP4AL 71944 CD/HCP4A 71944 ACD/HCP4AL 71944 ACD/HCP4A 71944 ACD/P4AL 71944 CD/P4AL 71944 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71944CD/HCP4A products，there is large inventory of SKF 71944 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 71944 CD/HCP4A Which SKF 71944CD/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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