Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71912 ACD/HCP4A

71912 ACD/HCP4A

Dimensions

d		60	mm
D		85	mm
B		13	mm
d₁		67.7	mm
d₂		67.7	mm
D₁		77.3	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		23.5	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		69.7	mm

Calculation data

Basic dynamic load rating	C	18.6	kN
Basic static load rating	C₀	14.6	kN
Fatigue load limit	P_u	0.62	kN
Attainable speed for grease lubrication		16000	r/min
Attainable speed for oil-air lubrication		26000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	24
Reference grease quantity	G_ref	2.7	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	120	N
Static axial stiffness, preload class A		142	N/µm
Preload class B	G_B	240	N
Static axial stiffness, preload class B		184	N/µm
Preload class C	G_C	480	N
Static axial stiffness, preload class C		242	N/µm
Preload class D	G_D	960	N
Static axial stiffness, preload class D		324	N/µm
Calculation factors
Calculation factor	f	1.17
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.17
Calculation factor	f_HC	1.04
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

0.16

Model Number: 71912 ACD/HCP4A
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：2024-12-18
Application:plastic blow molding,stirrer,Hair styling device,small diesel generators,screen filter,gantry processing,Hydraulic Press,Doppler,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,other lathe,test equipment
Similar models:71912 CE/HCP4AH1 S71912 CD/HCP4A 71912 CD/P4A S71912 ACE/HCP4A 71912 ACE/P4AH1 71912 ACB/P4AL 71912 CD/P4AL 71912 ACD/HCP4AL 71912 CE/HCP4A 71912 ACB/HCP4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71912ACD/HCP4A products，there is large inventory of SKF 71912 ACD/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 71912 ACD/HCP4A Which SKF 71912ACD/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.

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GE 300 TXA-2LS	300	430	165	Bearings, units and housings
GEH 25 ES-2LS	25	47	28	Bearings, units and housings
NJ 2220 ECM	100	180	46	Bearings, units and housings
PCM 859060 M	85	90	60	Bearings, units and housings
SAFS 22528 x 5 T	127	-	-	Bearings, units and housings
SIL 8 E	8	-	8	Bearings, units and housings
WS 81256	280		24	Bearings, units and housings
Z 305 F	25	-	6	Seals

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Hot number： 11589 1216 K + H 216 20098 400701 6320 7016 CB/HCP4AL 7204 BEGBP BC4B 320455 TQO design FYK 40 TD OKF 310 PWTR 2562.2RS SNW 30x5.5/16 SYNT 100 LTS WS 81214