Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71912 ACE/P4A

71912 ACE/P4A

Dimensions

d		60	mm
D		85	mm
B		13	mm
d₁		67.75	mm
d₂		65.7	mm
D₁		77.3	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		24.6	mm

Abutment dimensions

d_a	min.	64.6	mm
d_b	min.	62	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		69.6	mm

Calculation data

Basic dynamic load rating	C	15.3	kN
Basic static load rating	C₀	11.2	kN
Fatigue load limit	P_u	0.475	kN
Attainable speed for grease lubrication		19500	r/min
Attainable speed for oil-air lubrication		30000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	23
Reference grease quantity	G_ref	2.5	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	139	N
Static axial stiffness, preload class A		115	N/µm
Preload class B	G_B	418	N
Static axial stiffness, preload class B		173	N/µm
Preload class C	G_C	836	N
Static axial stiffness, preload class C		228	N/µm
Calculation factors
Calculation factor	f	1.13
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
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

0.19

Model Number: 71912 ACE/P4A
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:Die,tooth filling,X-ray Equipment,nail products,bathroom facilities,filter paper products,medical treatment,Grinding and polishing equipment,animal anatomy,internal combustion engine,disposable
Similar models:71912 ACB/P4AL 71912 ACD/HCP4AL 71912 CB/HCP4A 71912 ACB/HCP4A 71912 ACE/P4AH1 S71912 ACD/P4A 71912 CB/P4AL 71912 ACD/P4AL 71912 ACB/P4A 71912 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71912ACE/P4A products，there is large inventory of SKF 71912 ACE/P4A 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 ACE/P4A Which SKF 71912ACE/P4A 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
BD-21319 EK-H 319	85	200	45	Bearings, units and housings
2301	12	37	17	Bearings, units and housings
409703	932	-	-	Seals
38x62x8 HMSA10 V	38	62	8	Seals
402206	198	-	-	Seals
60x72x8 HMS5 RG	60	72	8	Seals
7573	19.05	38.07	6.35	Seals
8649	22.225	33.22	6.35	Seals
71901 ACD/P4A	12	24	6	Bearings, units and housings
FYTWK 1. YTA	25.4	-	-	Bearings, units and housings
S7015 CE/P4A	75	115	20	Bearings, units and housings
SAFS 23024 KATLC x 4	101.6	-	-	Bearings, units and housings

Purchase the SKF 71912 ACE/P4A Please fill in the following

Hot number： 470381 490x530x20 HDS1 R 51206 V/HR22Q2 6212 NR 7217 BECBY FYTB 35 TF HE 319 KRV 22 B N 1014 KTN/SP PF 17 TF SIKAC 18 M SNL 3144 G SNL 517 TURU SSAFS 22522 x 3.11/16 SSAFS 22532