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：2024-12-13
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/HCP4A 71944 CD/HCP4AL 71944 CD/P4AL 71944 ACD/HCP4AL 71944 ACD/HCP4A 71944 ACD/P4A 71944 CD/P4A 71944 ACD/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
10700	27	47.6	6.35	Seals
120x160x12 HMS5 RG	120	160	12	Seals
47383	120.65	146.08	12.7	Seals
6226-2Z	130	230	40	Bearings, units and housings
71800 ACD/HCP4	10	19	5	Bearings, units and housings
D/W RW156 R-2ZS	4.762	7.938	3.967	Bearings, units and housings
FYJ 3/4 TF	19.05	-	-	Bearings, units and housings
FYJ 55 TF	55	-	-	Bearings, units and housings
NA 4909.2RS	45	68	22	Bearings, units and housings
NKIB 5905	25	42	25	Bearings, units and housings
NUP 326 ECP	130	280	58	Bearings, units and housings
RNA 4907	42	55	20	Bearings, units and housings

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

Hot number： 13849 18734 30236 7407 BCBM AH 308 BD-C 3080 KM-OH 3080 H FYTB 503 M IR 240x265x60 IR 50X55X20 IS1 NKXR 35 Z PSM 303820 A51 SNL 217 SNW 32x5.3/4 SSAFS 22340 TLC W 61808-2Z