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

71912 ACD/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		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		14000	r/min
Attainable speed for oil-air lubrication		22000	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		128	N/µm
Preload class B	G_B	240	N
Static axial stiffness, preload class B		166	N/µm
Preload class C	G_C	480	N
Static axial stiffness, preload class C		218	N/µm
Preload class D	G_D	960	N
Static axial stiffness, preload class D		292	N/µm
Calculation factors
Calculation factor	f	1.17
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_2D	1.14
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

0.19

Model Number: 71912 ACD/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：2021-06-06
Application:standing experimental equipment,luminescent reagent,internal combustion engine,axle lathe,Dental Drill etc,Tool,Solenoid Valves,medical Equipment,squeeze machine etc,Medical room equipment,ultra-quiet generators
Similar models:71912 CE/HCP4A 71912 ACE/HCP4AL S71912 ACB/HCP4A 71912 CB/HCP4A 71912 ACE/P4A 71912 ACB/HCP4AL 71912 CD/HCP4AL S71912 CB/P4A S71912 CB/HCP4A S71912 ACE/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71912ACD/P4AL products，there is large inventory of SKF 71912 ACD/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 ACD/P4AL Which SKF 71912ACD/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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
25x38x7 HMS5 RG	25	38	7	Seals
30x44x7 HMSA10 RG	30	44	7	Seals
6310-2Z/VA201	50	110	27	Bearings, units and housings
71913 CE/HCP4AH1	65	90	13	Bearings, units and housings
99220	56	64.2874	15.875	Seals
99847	74.6252	84.9376	23.8252	Seals
K 24x28x13	24	28	13	Bearings, units and housings
NNU 4934 B/SPW33	170	230	60	Bearings, units and housings
NU 2256 ECML	280	500	130	Bearings, units and housings
SAF 22528	125.4125	-	-	Bearings, units and housings
SAKAC 8 M	8	-	12	Bearings, units and housings
SONL 238-538	170	-	-	Bearings, units and housings

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Hot number： 11081 15103 S/15243 25x37x6 HMS5 V 27394 38x62x8 HMSA10 V 406503 50x68x10 HMSA10 RG 6000-Z 80088 7206 ACD/P4A 7317 BEGAM BD-C 3168 KM-AOH 3168 G PCM 151715 E RNA 6911 PWM 758590