Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71944 CD/P4AL

71944 CD/P4AL

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		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		4300	r/min
Attainable speed for oil-air lubrication		6300	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		224	N/µm
Preload class B	G_B	1700	N
Static axial stiffness, preload class B		306	N/µm
Preload class C	G_C	3400	N
Static axial stiffness, preload class C		434	N/µm
Preload class D	G_D	6800	N
Static axial stiffness, preload class D		635	N/µm
Calculation factors
Calculation factor	f	1.28
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.09
Calculation factor	f_2D	1.15
Calculation factor	f_HC	1
Calculation factor	f₀	16.5

Mass

Mass bearing

6.6

Model Number: 71944 CD/P4AL
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：2025-11-28
Application:joint protection,Pneumatic Control Elements,food testing,other CNC,top industry,multi-knife lathe,Beauty and Body,machine tool spindle,powder metallurgy,SPA equipment,Cylinder Micro
Similar models:71944 CD/P4AL 71944 ACD/HCP4A 71944 ACD/P4AL 71944 CD/HCP4AL 71944 ACD/HCP4AL 71944 CD/P4A 71944 ACD/P4A 71944 CD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71944CD/P4AL products，there is large inventory of SKF 71944 CD/P4AL 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/P4AL Which SKF 71944CD/P4AL 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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
1450220	368.3	406.4	17.475	Seals
61996 MA	480	650	78	Bearings, units and housings
6208/HR22Q2	40	80	18	Bearings, units and housings
6391	15.875	34.98	6.35	Seals
FYT 45 TF/VA228	45	-	54.2	Bearings, units and housings
FYTBK 30 TF	30	-	-	Bearings, units and housings
NJ 230 ECML	150	270	45	Bearings, units and housings
NU 312 ECM/C3VL0241	60	130	31	Bearings, units and housings
PSM 141810 A51	14	18	10	Bearings, units and housings
SALKAC 6 M	6	-	9	Bearings, units and housings
T4EB 240	240	320	42	Bearings, units and housings
W 61902 R	15	28	7	Bearings, units and housings

Purchase the SKF 71944 CD/P4AL Please fill in the following

Hot number： 240/1120 BC 407003 52212 524294 607-2Z 61921 67982/67919 90899 C 4010 TN9 D/W R6 R-2RZ H 315 E NNC 4936 CV NUKR 62 A SAF 22310 T SD 32x42x4