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

71912 CB/P4A

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		22000	r/min
Attainable speed for oil-air lubrication		32000	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		36	N/µm
Preload class B	G_B	68	N
Static axial stiffness, preload class B		48	N/µm
Preload class C	G_C	205	N
Static axial stiffness, preload class C		77	N/µm
Calculation factors
Calculation factor	f	1.11
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.07
Calculation factor	f_HC	1
Calculation factor	f₀	9.8

Mass

Mass bearing

0.2

Model Number: 71912 CB/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:milling head plug,spectrometer,small appliances,metal mold,labor insurance,electromagnetic clutch,Storage Tool,lifting tackle,industrial equipment,pipe fittings Steel industry,air conditioning tools
Similar models:S71912 ACE/HCP4A S71912 ACB/HCP4A 71912 CE/HCP4A 71912 ACD/HCP4A S71912 CB/HCP4A S71912 ACE/P4A S71912 CE/P4A S71912 CB/P4A 71912 CE/HCP4AH1 71912 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71912CB/P4A products，there is large inventory of SKF 71912 CB/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 CB/P4A Which SKF 71912CB/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
403603	352	-	-	Seals
470661	640	-	-	Seals
5 VA V	4	-	-	Seals
71914 CD/P4AH1	70	100	16	Bearings, units and housings
9853	25.4	38.35	5.56	Seals
FSAF 1520 x 3.1/2 TLC	88.9	-	-	Bearings, units and housings
KML 30	24	-	150	Bearings, units and housings
S71924 CD/HCP4A	120	165	22	Bearings, units and housings
SAF 22236	180	-	-	Bearings, units and housings
SAF 22240	200	-	-	Bearings, units and housings
SNW 11x1.3/4	44.45	55	46.609	Bearings, units and housings
WS 81220	100		11.5	Bearings, units and housings

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Hot number： 1726207-2RS1 18591 BD-23164 CCK/W33-OH 3164 H 240/750 ECAK30/W33 45x68x10 HMS5 RG 7024 ACD/HCP4AH1 86971 NK 45/30 TN NNCF 5060 CV S7018 ACE/P4A SAF 22638 T SNW 111x1.7/8 SSAFS 23026 KA x 4.7/16 SSAFS 23026 KAT x 4.7/16 TU 1.3/8 TF