Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71900 ACD/P4A

71900 ACD/P4A

Dimensions

d		10	mm
D		22	mm
B		6	mm
d₁		14	mm
d₂		14	mm
D₁		18	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.2	mm
a		6.8	mm

Abutment dimensions

d_a	min.	12	mm
d_b	min.	12	mm
D_a	max.	20	mm
D_b	max.	20.6	mm
r_a	max.	0.3	mm
r_b	max.	0.2	mm
d_n		14.8	mm

Calculation data

Basic dynamic load rating	C	2.42	kN
Basic static load rating	C₀	1.06	kN
Fatigue load limit	P_u	0.045	kN
Attainable speed for grease lubrication		63000	r/min
Attainable speed for oil-air lubrication		95000	r/min
Ball diameter	D_w	3.175	mm
Number of balls	z	12
Reference grease quantity	G_ref	0.12	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	15	N
Static axial stiffness, preload class A		29	N/µm
Preload class B	G_B	30	N
Static axial stiffness, preload class B		38	N/µm
Preload class C	G_C	60	N
Static axial stiffness, preload class C		49	N/µm
Preload class D	G_D	120	N
Static axial stiffness, preload class D		65	N/µm
Calculation factors
Calculation factor	f	1.03
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_2D	1.14
Calculation factor	f_HC	1
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

0.009

Model Number: 71900 ACD/P4A
Inner Diameter：10mm Outer Diameter：22mm Width：6mm
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:Spectrum Products,enzyme,flow control valve,sterilizers,marine analysis and testing equipment,relay,garbage disposal,air shower etc,horizontal processing,ECG,tobacco machinery
Similar models:71900 ACD/P4A S71900 ACD/P4A S71900 CD/HCP4A 71900 ACE/P4A 71900 CE/HCP4A 71900 CE/HCP4AH 71900 ACD/HCP4A 71900 CD/HCP4A 71900 ACE/HCP4AH 71900 ACE/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71900ACD/P4A products，there is large inventory of SKF 71900 ACD/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 71900 ACD/P4A Which SKF 71900ACD/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
370x410x18 HDS1 R	370	410	18	Seals
54931	139.7	165.1	12.7	Seals
71900 ACE/P4AH	10	22	6	Bearings, units and housings
FY 50 TR	50	-	-	Bearings, units and housings
C 2209 KTN9	45	85	23	Bearings, units and housings
GAC 50 F	50	80	20	Bearings, units and housings
HK 2220	22	28	20	Bearings, units and housings
NU 220 ECML	100	180	34	Bearings, units and housings
OKC 700	700		-
PL 600	-	-	50.8	Bearings, units and housings
SY 30 LF	30	-	-	Bearings, units and housings
W 628/6-2RS1	6	13	5	Bearings, units and housings

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