Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71912 ACB/HCP4AL

71912 ACB/HCP4AL

Dimensions

d		60	mm
D		85	mm
B		13	mm
d₁		68.94	mm
d₂		67.73	mm
D₂		78.36	mm
b		2	mm
C₁		6.5	mm
C₂		3.8	mm
C₃		1.7	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		27.2	mm

Abutment dimensions

d_a	min.	64.6	mm
d_b	min.	64.6	mm
D_a	max.	80.4	mm
D_b	max.	83	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		69.8	mm

Calculation data

Basic dynamic load rating	C	13.3	kN
Basic static load rating	C₀	13.4	kN
Fatigue load limit	P_u	0.355	kN
Attainable speed for grease lubrication		22000	r/min
Attainable speed for oil-air lubrication		36000	r/min
Ball diameter	D_w	5.556	mm
Number of balls	z	30
Reference grease quantity	G_ref	2.77	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	57	N
Static axial stiffness, preload class A		104	N/µm
Preload class B	G_B	115	N
Static axial stiffness, preload class B		135	N/µm
Preload class C	G_C	340	N
Static axial stiffness, preload class C		204	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	1.08
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

0.18

Model Number: 71912 ACB/HCP4AL
Inner Diameter：60mm Outer Diameter：85mm Width：13mm
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:metering pump,generator,vertical processing,squeeze machine etc,dye pigments,car instrument,Solenoid Valves,food safety,chuck industry,electric hydraulic lifting platform,Power equipment
Similar models:S71912 CE/P4A 71912 CB/HCP4A S71912 ACD/P4A 71912 CD/P4AL 71912 CE/P4AL 71912 ACD/HCP4A 71912 CB/P4AL 71912 CB/P4A 71912 ACD/P4AL 71912 ACE/P4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71912ACB/HCP4AL products，there is large inventory of SKF 71912 ACB/HCP4AL Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71912 ACB/HCP4AL Which SKF 71912ACB/HCP4AL 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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