Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71907 ACE/HCP4A

71907 ACE/HCP4A

Dimensions

d		35	mm
D		55	mm
B		10	mm
d₁		41.7	mm
d₂		40.2	mm
D₁		48.29	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		16.2	mm

Abutment dimensions

d_a	min.	38.2	mm
d_b	min.	37	mm
D_a	max.	51.8	mm
D_b	max.	53	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm
d_n		43	mm

Calculation data

Basic dynamic load rating	C	7.28	kN
Basic static load rating	C₀	4.5	kN
Fatigue load limit	P_u	0.19	kN
Attainable speed for grease lubrication		38000	r/min
Attainable speed for oil-air lubrication		60000	r/min
Ball diameter	D_w	5.556	mm
Number of balls	z	19
Reference grease quantity	G_ref	0.8	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	66	N
Static axial stiffness, preload class A		77	N/µm
Preload class B	G_B	200	N
Static axial stiffness, preload class B		115	N/µm
Preload class C	G_C	400	N
Static axial stiffness, preload class C		151	N/µm
Calculation factors
Calculation factor	f	1.05
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

0.067

Model Number: 71907 ACE/HCP4A
Inner Diameter：35mm Outer Diameter：55mm Width：10mm
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：2026-06-24
Application:ventilator anesthesia machine etc,sewage pump,Oral Equipment,Storage Tool,large agricultural machinery,Textile Accessories,forming machine,motor,machine lathe,metal mold,joint protection
Similar models:71907 ACE/HCP4A 71907 CE/HCP4AL 71907 CD/HCP4A 71907 CD/P4A 71907 ACD/P4A 71907 CE/P4AL 71907 ACE/HCP4AL 71907 CE/P4AH S71907 ACB/P4A S71907 ACE/P4A
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Model No. Inner Diameter Outer Diameter Width Type

401405
FNL 510 A
S71914 ACB/P4A
W 636-2RS1
XHCE 050/OK 130

Purchase the SKF 71907 ACE/HCP4A Please fill in the following

Hot number： 18545 23964 CC/W33 32206 6026-Z FNL 513 B GE 160 ES-2RS H 3026 HH 437549/510 HK 2214 RS IR 30x35x30 IR 55x60x35 NU 2210 ECPH SIL 45 ESX-2LS SYJ 515 W 624 R-2Z

Model No.	Inner Diameter	Outer Diameter	Width	Type
401405
FNL 510 A
S71914 ACB/P4A
W 636-2RS1
XHCE 050/OK 130