Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71912 CB/HCP4A

S71912 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_a	max.	68.3	mm
d_b	min.	64.6	mm
d_b	max.	67.1	mm
D_a	max.	80.4	mm
D_b	max.	83	mm
r_a	max.	1	mm
r_b	max.	0.3	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
Ball diameter	D_w	5.556	mm
Number of balls	z	30
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

0.19

Model Number: S71912 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:shaft milling machine,medical equipment,plastic blow molding,cleaning agent,knitted fabrics,Industrial,molding machine,Broadcasting System,equipment,Air,Industrial Adhesive
Similar models:S71912 CE/P4A 71912 CD/P4AL 71912 ACE/P4AH1 71912 CE/HCP4A 71912 ACD/P4AL 71912 CE/P4AL S71912 ACD/P4A 71912 ACD/HCP4AL 71912 ACD/HCP4A S71912 CD/HCP4A
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120x180x15 HMS5 V	120	180	15	Seals
13548	34.925	47.6	6.35	Seals
148x170x15 HMS5 V	148	170	15	Seals
60 VS V	54	-	-	Seals
6206 N	30	62	16	Bearings, units and housings
7007 CE/P4AL1	35	62	14	Bearings, units and housings
7210 ACD/HCP4A	50	90	20	Bearings, units and housings
91389	-	-	50	Seals
BT4B 334095 G/HA4VA901	430	575	-	Bearings, units and housings
FSYE 2 7/16-18	61.9125	-	-	Bearings, units and housings
G 7x11x2 S	7	11	2	Seals
RNU 2206 ECP	37.5	62	20	Bearings, units and housings

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Hot number： BD-231/560 CAK/W33-OH 31/560 H 28275 51200 V/HR11T1 6013-2RS1 7205 BECBP 8x24x7 HMS5 RG H 2330 L HJ 317 EC IR 100x115x40 K 81232 M LM 48548/510 NATR 17 PPXA NU 317 ECM/C3VL0241 SAF 22320 W 637/4 X-2Z