Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71944 ACD/HCP4AL

71944 ACD/HCP4AL

Dimensions

d		220	mm
D		300	mm
B		38	mm
d₁		244.7	mm
d₂		244.7	mm
D₁		275.3	mm
b		3.5	mm
C₁		20.9	mm
C₂		7.1	mm
C₃		5.45	mm
r_1,2	min.	2.1	mm
r_3,4	min.	1	mm
a		79.9	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	208	kN
Basic static load rating	C₀	285	kN
Fatigue load limit	P_u	7.5	kN
Attainable speed for grease lubrication		4500	r/min
Attainable speed for oil-air lubrication		6700	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	1300	N
Static axial stiffness, preload class A		591	N/µm
Preload class B	G_B	2600	N
Static axial stiffness, preload class B		776	N/µm
Preload class C	G_C	5200	N
Static axial stiffness, preload class C		1036	N/µm
Preload class D	G_D	10400	N
Static axial stiffness, preload class D		1415	N/µm
Calculation factors
Calculation factor	f	1.28
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.17
Calculation factor	f_HC	1.04
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

5.56

Model Number: 71944 ACD/HCP4AL
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:sawing machine,other accessories,tire industry,medical equipment,non-ferrous metal alloy,Water Monitoring,Processing machinery,aerial work platform,relay,teaching equipment,Air
Similar models:71944 ACD/HCP4AL 71944 CD/HCP4A 71944 CD/P4AL 71944 ACD/P4AL 71944 CD/P4A 71944 CD/HCP4AL 71944 ACD/P4A 71944 ACD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71944ACD/HCP4AL products，there is large inventory of SKF 71944 ACD/HCP4AL 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 ACD/HCP4AL Which SKF 71944ACD/HCP4AL 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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Hot number： 13527 24122-2CS5/VT143 BD-24192 ECAK30/W33-AOH 24192 401202 6319-2RS1 56137 61902-2Z 99293 H 311 E IR 32x37x20 NUP 211 ECJ RNU 1010 ECP SAF 22617 x 2.13/16 SAF 23024 KAT x 4.3/16 W 61909-2RZ