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：2021-06-04
Application:chemical raw materials and reagents,air purification,Other machinery,rehabilitation training equipment,marine analysis and testing equipment,physical instruments,tooth filling,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,Body shaping,tube,Handling machinery and various industrial machinery
Similar models:71944 CD/P4AL 71944 ACD/P4A 71944 CD/HCP4AL 71944 ACD/HCP4AL 71944 ACD/HCP4A 71944 ACD/P4AL 71944 CD/P4A 71944 CD/HCP4A
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
150 VA V	135	-	-	Seals
330x370x20 HDS1 R	330	370	20	Seals
51115	75	100	19	Bearings, units and housings
71902 ACD/P4A	15	28	7	Bearings, units and housings
K 81230 M	150	215		Bearings, units and housings
NK 25/16	25	33	16	Bearings, units and housings
NUP 2309 ECML	45	100	36	Bearings, units and housings
OKC 680	680		-
S7024 CE/P4A	120	180	28	Bearings, units and housings
SAF 1610	42.8625	-	-	Bearings, units and housings
SAFS 22640 x 7.1/4	184.15	-	-	Bearings, units and housings
SILQG 25 ES	25	-	25	Bearings, units and housings

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Hot number： 22336 21319 E 30316 54208 + U 208 61904-2RS1 BD-C 3044 K-AOH 3044 G FY 30 LDW HA 3124 L JM 718149 A/110 K 37x42x17 N 030 NJ 2207 ECPH NK 35/20 TN NN 3020 TN9/SP PCM 15015560 M