Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71940 CD/P4AH1

71940 CD/P4AH1

Dimensions

d		200	mm
D		280	mm
B		38	mm
d₁		224.7	mm
d₂		224.7	mm
D₁		255.3	mm
K		0.6	mm
C₁		10	mm
r_1,2	min.	2.1	mm
r_3,4	min.	1	mm
a		51.3	mm

Abutment dimensions

d_a	min.	209	mm
d_b	min.	209	mm
D_a	max.	271	mm
D_b	max.	275	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		231.4	mm

Calculation data

Basic dynamic load rating	C	208	kN
Basic static load rating	C₀	265	kN
Fatigue load limit	P_u	7.2	kN
Attainable speed for grease lubrication		4800	r/min
Attainable speed for oil-air lubrication		7000	r/min
Ball diameter	D_w	25.4	mm
Number of balls	z	26
Reference grease quantity	G_ref	81	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	800	N
Static axial stiffness, preload class A		202	N/µm
Preload class B	G_B	1600	N
Static axial stiffness, preload class B		275	N/µm
Preload class C	G_C	3200	N
Static axial stiffness, preload class C		387	N/µm
Preload class D	G_D	6400	N
Static axial stiffness, preload class D		565	N/µm
Calculation factors
Calculation factor	f	1.23
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	16.3

Mass

Mass bearing

6.1

Model Number: 71940 CD/P4AH1
Inner Diameter：200mm Outer Diameter：280mm 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：2025-12-09
Application:forklift truck,security equipment,electronic components,paper processing machine,chemical raw materials and reagents,hydraulic pump,generator,motor,non-ferrous metal alloy,dynamic blood pressure,hardware
Similar models:71940 CD/P4AH1 71940 CD/HCP4A 71940 CD/HCP4AH1 71940 ACD/P4AH1 71940 CD/P4A 71940 ACD/HCP4AH1 71940 ACD/HCP4A 71940 ACD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71940CD/P4AH1 products，there is large inventory of SKF 71940 CD/P4AH1 Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71940 CD/P4AH1 Which SKF 71940CD/P4AH1 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.

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6210 NR	50	90	20	Bearings, units and housings
BC4B 320989/HA3	380	540	-	Bearings, units and housings
FYR 2 3/16-18	55.5625	-	-	Bearings, units and housings
MS 3196	-	-	36	Bearings, units and housings
NKI 45/35 TN	45	62	35	Bearings, units and housings
S71916 ACB/HCP4A	80	110	16	Bearings, units and housings
SILA 50 ES-2RS	50	-	35	Bearings, units and housings
SY 1.1/4 LDW	31.75	-	-	Bearings, units and housings
W 21	106.4768	144.8562	-	Bearings, units and housings
WS 89415	75		17	Bearings, units and housings

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Hot number： 231/670 CA/W33 3 VA V 470x510x20 HDS2 V 471301 48x72x10 HMSA10 RG 7013 ACB/P4A 71924 ACD/HCP4A 81296 M AOH 24076 D/W R8 R-2RS1 K 16x22x12 OKC 640 SAF 22640 x 7.1/4 T2ED 070 T4EE 160