Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71912 CD/P4AL

71912 CD/P4AL

Dimensions

d		60	mm
D		85	mm
B		13	mm
d₁		67.7	mm
d₂		67.7	mm
D₁		77.3	mm
b		2.2	mm
C₁		6.5	mm
C₂		3.2	mm
C₃		2	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		16.3	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	19.9	kN
Basic static load rating	C₀	15.3	kN
Fatigue load limit	P_u	0.655	kN
Attainable speed for grease lubrication		15000	r/min
Attainable speed for oil-air lubrication		24000	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	70	N
Static axial stiffness, preload class A		50	N/µm
Preload class B	G_B	140	N
Static axial stiffness, preload class B		67	N/µm
Preload class C	G_C	280	N
Static axial stiffness, preload class C		92	N/µm
Preload class D	G_D	560	N
Static axial stiffness, preload class D		130	N/µm
Calculation factors
Calculation factor	f	1.17
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.09
Calculation factor	f_2D	1.15
Calculation factor	f_HC	1
Calculation factor	f₀	10.5

Mass

Mass bearing

0.19

Model Number: 71912 CD/P4AL
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：2024-12-13
Application:machine lathe,Pneumatic Actuator,security equipment,other lathe,electrostatic protection,Textile Industry Accessories and Accessories,Machine Tool Accessories,garden machinery,electric pump,decoration machinery,circulating pump
Similar models:71912 CD/HCP4A 71912 ACE/HCP4A S71912 ACD/P4A 71912 ACD/HCP4AL 71912 ACE/P4A 71912 CB/HCP4AL S71912 ACE/P4A 71912 CD/P4AL S71912 CD/HCP4A S71912 ACB/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71912CD/P4AL products，there is large inventory of SKF 71912 CD/P4AL 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 CD/P4AL Which SKF 71912CD/P4AL 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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Hot number： 524347 6011 M 6220 N 71903 ACD/P4A 71940 ACD/P4AH1 BK 2212 FY 1.11/16 FM OKCX 240 PRM 455030 SNL 3096 SONL 217-517 W 63800-2RZ SYR 3 1/2 N W 6003-2RZ W 6210