Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71917 ACB/P4A

71917 ACB/P4A

Dimensions

d		85	mm
D		120	mm
B		18	mm
d₁		98.2	mm
d₂		96.7	mm
D₂		110.2	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		36.3	mm

Abutment dimensions

d_a	min.	91	mm
d_b	min.	91	mm
D_a	max.	114	mm
D_b	max.	116.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		99.2	mm

Calculation data

Basic dynamic load rating	C	20.3	kN
Basic static load rating	C₀	24.5	kN
Fatigue load limit	P_u	0.64	kN
Attainable speed for grease lubrication		13000	r/min
Attainable speed for oil-air lubrication		20000	r/min
Ball diameter	D_w	6.747	mm
Number of balls	z	37
Reference grease quantity	G_ref	6.46	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	93	N
Static axial stiffness, preload class A		136	N/µm
Preload class B	G_B	185	N
Static axial stiffness, preload class B		174	N/µm
Preload class C	G_C	560	N
Static axial stiffness, preload class C		264	N/µm
Calculation factors
Calculation factor	f	1.11
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.07
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

0.57

Model Number: 71917 ACB/P4A
Inner Diameter：85mm Outer Diameter：120mm Width：18mm
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：2026-06-25
Application:agriculture,steam Hydraulic control element,aerial work equipment,dynamic blood pressure,nail products,relay,construction machinery and equipment,industrial equipment,Cleaning equipment,water,ventilation equipment
Similar models:71917 CE/HCP4AH1 S71917 CE/HCP4A 71917 CE/P4A S71917 ACE/HCP4A S71917 ACE/P4A S71917 CB/HCP4A 71917 ACE/HCP4AL 71917 CD/HCP4AH1 71917 ACD/HCP4AL 71917 ACD/P4AL
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Model No. Inner Diameter Outer Diameter Width Type

18x35x7 HMSA10 RG
40x52x7 CRW1 R
417006
OKCX 880
SSAFS 22216 TLC

Purchase the SKF 71917 ACB/P4A Please fill in the following

Hot number： 17257 20x32x6 HMS5 V 317-2Z 32x50x10 HMS5 V 44x62x10 HMS5 V 48x72x8 HMSA10 V 4940 51102 C 2212 KTN9 FSAF 22515 x 2.3/8 TLC RLS 8-2RS1 S71916 CB/P4A SAF 1313 T SILKB 6 F W 61818

Model No.	Inner Diameter	Outer Diameter	Width	Type
18x35x7 HMSA10 RG
40x52x7 CRW1 R
417006
OKCX 880
SSAFS 22216 TLC