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

71944 CD/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		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/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：2026-04-16
Application:Pneumatic Control Valves,machine tool spindle,Safety protection,animal,laser devices,ventilation fans,packaging machinery,journal lathe,pneumatic Pump,chromatography,Cylinder Micro
Similar models:71944 ACD/P4AL 71944 ACD/P4A 71944 CD/P4AL 71944 ACD/HCP4A 71944 CD/P4A 71944 CD/HCP4A 71944 ACD/HCP4AL 71944 CD/HCP4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71944CD/HCP4AL products，there is large inventory of SKF 71944 CD/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 CD/HCP4AL Which SKF 71944CD/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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
135x170x15 CRSH1 R	135	170	15	Seals
313822	280	390	-	Bearings, units and housings
3306 A-2ZTN9/MT33	30	72	30.2	Bearings, units and housings
6318/HC5C3	90	190	43	Bearings, units and housings
71918 ACD/P4AL	90	125	18	Bearings, units and housings
99350	89	97.6376	25.4	Seals
HE 2324 EH	107.95	120	112	Bearings, units and housings
KRVE 35 PPA	-	35	52	Bearings, units and housings
MS 3060	-	-	24	Bearings, units and housings
SAFS 23040 KA x 7.1/4	184.15	-	-	Bearings, units and housings
SSAFS 22517 x 3	76.2	-	-	Bearings, units and housings
SSAFS 23040 KA x 7.3/16	182.5625	-	-	Bearings, units and housings

Purchase the SKF 71944 CD/HCP4AL Please fill in the following

Hot number： 24068 CC/W33 25x37x7 HMSA10 V 2700558 61916-2RS1 7322 BECBY 790x850x25 HDS2 V BD-C 3156 K-OH 3156 HTL FSAF 22517 x 3 FYJ 1.1/4 TF GE 6 E KMFE 15 L NNCF 4922 CV SAF 22624 TLC SYE 3 1/2-18 W 61805