Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71912 CB/P4A

S71912 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_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		22000	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		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: S71912 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：2024-12-13
Application:wall materials,Blood coagulation reagent,Wire grinder,test laboratory equipment and accessories,Machine Tool Accessories,construction machinery and equipment,cleaning agent,power tools,chemical raw materials and reagents,glass,tray industry
Similar models:71912 ACB/P4A S71912 CD/HCP4A 71912 ACD/P4AL 71912 CE/HCP4A S71912 ACE/HCP4A S71912 CE/P4A 71912 ACE/HCP4AH1 71912 CE/P4AL 71912 CE/HCP4AH1 71912 ACB/P4AL
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Model No.	Inner Diameter	Outer Diameter	Width	Type
17780	44.9072	60.02	7.95	Seals
23706	60.325	85.09	9.53	Seals
407500	705	-	-	Seals
4940	12.7	22.23	7.95	Seals
619/5	5	13	4	Bearings, units and housings
93751	238.125	288.93	22.23	Seals
BT4B 331123 DG/HA1	863.6	1130.3	-	Bearings, units and housings
BD-C 3168 KM-OH 3168 H	320	580	190	Bearings, units and housings
FY 1.7/16 TF/VA201	36.512	-	46.4	Bearings, units and housings
FYWR 30 YTHR	30	-	-	Bearings, units and housings
PFT 47	-	-	-	Bearings, units and housings
SIL 50 ES-2RS	50	-	35	Bearings, units and housings

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Hot number： BD-230/710 CAK/W33-AOHX 30/710 30x42x8 HMSA10 RG 315175 C 6208-2RZ 6306-2RS1 71804 CD/HCP4 7208 BECBM NA 2210.2RS NA 4905 NK 10/16 TN NKIS 65 PSMF 354525 A51 RNU 209 ECJ RPNA 20/35 SAFS 23024 KATLC x 4.3/16