Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71944 CD/P4A

71944 CD/P4A

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		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/P4A
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：2026-04-19
Application:vertical pull,Broadcasting System,Wire grinder,Machine Tool Accessories,lifting equipment Hoisting hoist,Flame Cutting,Embroidery,sterilizers,Textile Industry Accessories and Accessories,manual Tools,Cleaning equipment
Similar models:71944 CD/P4A 71944 ACD/HCP4A 71944 CD/HCP4A 71944 ACD/HCP4AL 71944 CD/HCP4AL 71944 ACD/P4A 71944 ACD/P4AL 71944 CD/P4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71944CD/P4A products，there is large inventory of SKF 71944 CD/P4A 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/P4A Which SKF 71944CD/P4A 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
1105x1160x25 HDS1 R	1105	1160	25	Seals
1726207-2RS1	35	72	17	Bearings, units and housings
22315 EKJA/VA405	75	160	55	Bearings, units and housings
331605 B	498.475	634.873	-	Bearings, units and housings
409006	825	-	-	Seals
48x79x17.5 CRSA1 P	48	79	17.5	Seals
7213 CD/P4A	65	120	23	Bearings, units and housings
780x830x22 HS5 R	780	830	22	Seals
NJ 322 ECP	110	240	50	Bearings, units and housings
HM 624749/710	120.65	190.5	46.038	Bearings, units and housings
NN 3022 TN9/SP	110	170	45	Bearings, units and housings
SAF 22615	61.9125	-	-	Bearings, units and housings

Purchase the SKF 71944 CD/P4A Please fill in the following

Hot number： 13862 23280 CAK/W33 23938 CCK/W33 25x62x10 HMS5 V 331156 G 400x460x28 HDSA2 RD 99418 BT2B 332911 C/HA1 FNL 510 B HJ 2324 EC KMFE 16 H NNCF 5018 CV PBM 240260350 M1G1 RNAO 30x42x32 YSPAG 206-103