Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71900 ACE/HCP4A

71900 ACE/HCP4A

Dimensions

d		10	mm
D		22	mm
B		6	mm
d₁		14	mm
d₂		13.26	mm
D₁		17.92	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		7.2	mm

Abutment dimensions

d_a	min.	12	mm
d_b	min.	12	mm
D_a	max.	20	mm
D_b	max.	21.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		14.8	mm

Calculation data

Basic dynamic load rating	C	1.95	kN
Basic static load rating	C₀	0.78	kN
Fatigue load limit	P_u	0.032	kN
Attainable speed for grease lubrication		109000	r/min
Attainable speed for oil-air lubrication		165000	r/min
Ball diameter	D_w	3.175	mm
Number of balls	z	11
Reference grease quantity	G_ref	0.1	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	17	N
Static axial stiffness, preload class A		28	N/µm
Preload class B	G_B	50	N
Static axial stiffness, preload class B		41	N/µm
Preload class C	G_C	100	N
Static axial stiffness, preload class C		54	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_HC	1.01
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

0.008

Model Number: 71900 ACE/HCP4A
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：2025-11-28
Application:multi-knife lathe,reinforced machinery,training beds etc,pump industry,building decoration raw materials and accessories,Machine Tool Accessories,security equipment,coupling type,journal lathe,Embroidery,physical instruments
Similar models:71900 CE/P4A S71900 CD/P4A S71900 CD/HCP4A 71900 ACD/HCP4A 71900 CE/P4AH 71900 CE/HCP4AH 71900 ACE/P4A 71900 CD/HCP4A 71900 ACE/HCP4AH 71900 ACD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71900ACE/HCP4A products，there is large inventory of SKF 71900 ACE/HCP4A 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 ACE/HCP4A Which SKF 71900ACE/HCP4A 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
20420	52	65.05	8	Seals
44320	112.7252	152.43	12.7	Seals
490 VRME R	478	-	-	Seals
71905 CD/HCP4A	25	42	9	Bearings, units and housings
71917 ACB/HCP4A	85	120	18	Bearings, units and housings
950 VL R	865	-	-	Seals
BC1B 319579	1030	1250	100	Bearings, units and housings
FSYE 2 3/4-18	69.85	-	-	Bearings, units and housings
NN 3021 KTN9/SP	105	160	41	Bearings, units and housings
NU 1024 ML	120	180	28	Bearings, units and housings
PSM 506050 A51	50	60	50	Bearings, units and housings
S7016 CD/HCP4A	80	125	22	Bearings, units and housings

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