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

71912 CD/P4A

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		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/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：2025-11-28
Application:Industrial,Hydraulic Hose,squeeze machine etc,Sensors,screen filter,linear drive,altimeter etc,tapered grinder,SPA equipment,Spectrum Products,standing experimental equipment
Similar models:71912 CB/HCP4A 71912 CD/HCP4A S71912 CD/HCP4A 71912 ACE/HCP4AL 71912 ACE/P4AH1 71912 ACE/P4AL 71912 ACD/HCP4AL 71912 CE/HCP4AH1 S71912 CB/HCP4A S71912 ACE/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71912CD/P4A products，there is large inventory of SKF 71912 CD/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 CD/P4A Which SKF 71912CD/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
15x35x7 HMS5 RG	15	35	7	Seals
308-Z	40	90	23	Bearings, units and housings
409506	865	-	-	Seals
61803	17	26	5	Bearings, units and housings
6208-2Z/VA208	40	80	18	Bearings, units and housings
85x100x10 HMS5 V	85	100	10	Seals
FSAF 1314 TLC	70	-	-	Bearings, units and housings
GB 4956	-	-	120	Bearings, units and housings
NATV 15	15	35	18	Bearings, units and housings
NJ 230 ECJ	150	270	45	Bearings, units and housings
NNU 41/630 M/W33	630	1030	400	Bearings, units and housings
SNL 3164	300	-	-	Bearings, units and housings

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Hot number： 15x26x7 HMSA10 V BD-22310 EK-AHX 2310 29675/29620 403250 6301/HR11QN 6313-2Z/VA228 99369 GEZ 112 ESX-2LS OKC 260 PBM 152216 M1G1 PF 45 TF SAF 22338 TLC SAF 22530 x 5.3/8 T SAF 22617 SYE 1 11/16 N