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

71912 CB/HCP4A

Dimensions

d		60	mm
D		85	mm
B		13	mm
d₁		68.94	mm
d₂		67.73	mm
D₂		78.36	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		19.5	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		69.8	mm

Calculation data

Basic dynamic load rating	C	14	kN
Basic static load rating	C₀	14.6	kN
Fatigue load limit	P_u	0.375	kN
Attainable speed for grease lubrication		26000	r/min
Attainable speed for oil-air lubrication		40000	r/min
Ball diameter	D_w	5.556	mm
Number of balls	z	30
Reference grease quantity	G_ref	2.77	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	34	N
Static axial stiffness, preload class A		40	N/µm
Preload class B	G_B	68	N
Static axial stiffness, preload class B		53	N/µm
Preload class C	G_C	205	N
Static axial stiffness, preload class C		85	N/µm
Calculation factors
Calculation factor	f	1.11
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1.01
Calculation factor	f₀	9.8

Mass

Mass bearing

0.18

Model Number: 71912 CB/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：2025-12-09
Application:Other Measurements,circulating pump,enzyme,Gas turbine,comprehensive experiment,construction machinery and equipment,floor industry,economic mold,other rubber,test strip,motor
Similar models:S71912 ACE/HCP4A 71912 CE/HCP4AH1 71912 CE/P4AL 71912 ACE/P4AH1 71912 ACB/HCP4A 71912 ACD/HCP4A 71912 CB/P4A 71912 ACB/P4A S71912 ACB/P4A 71912 CD/P4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71912CB/HCP4A products，there is large inventory of SKF 71912 CB/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 CB/HCP4A Which SKF 71912CB/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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
16038	190	290	31	Bearings, units and housings
1250113	317.5	349.25	15.88	Seals
18446	46.8376	69.85	9.53	Seals
400060	5	-	-	Seals
53408 + U 408	40	90	38.2	Bearings, units and housings
FSNL 516-613	65	-	-	Bearings, units and housings
LR 25x30x20.5	25	30	20.5	Bearings, units and housings
NJ 244 ECM	220	400	65	Bearings, units and housings
NUP 2310 ECP	50	110	40	Bearings, units and housings
SAFS 22526 x 4.3/8 TLC	111.125	-	-	Bearings, units and housings
SYWK 1.7/16 YTH	36.512	-	-	Bearings, units and housings
YAT 211-200	50.8	100	45	Bearings, units and housings

Purchase the SKF 71912 CB/HCP4A Please fill in the following

Hot number： 2204 E-2RS1TN9 22332 CCJA/W33VA406 47x70x10 HMSA10 RG 61905 7012 CD/HCP4A AXK 85110 C 39/560 KM GEH 120 ESX-2LS HJ 2214 EC NNCF 4934 CV NU 217 ECM/HC5C3 RNU 204 ECP SAW 23544 x 7.7/8 SNL 3148 SNL 40/500 G