Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71917 CB/HCP4AL

71917 CB/HCP4AL

Dimensions

d		85	mm
D		120	mm
B		18	mm
d₁		98.2	mm
d₂		96.7	mm
D₂		110.2	mm
b		2.2	mm
C₁		9.3	mm
C₂		4.5	mm
C₃		2.9	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		25.5	mm

Abutment dimensions

d_a	min.	91	mm
d_b	min.	91	mm
D_a	max.	114	mm
D_b	max.	116.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		99.2	mm

Calculation data

Basic dynamic load rating	C	22.1	kN
Basic static load rating	C₀	26	kN
Fatigue load limit	P_u	0.68	kN
Attainable speed for grease lubrication		18000	r/min
Attainable speed for oil-air lubrication		28000	r/min
Ball diameter	D_w	6.747	mm
Number of balls	z	37
Reference grease quantity	G_ref	6.46	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	54	N
Static axial stiffness, preload class A		58	N/µm
Preload class B	G_B	110	N
Static axial stiffness, preload class B		76	N/µm
Preload class C	G_C	325	N
Static axial stiffness, preload class C		121	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	10

Mass

Mass bearing

0.54

Model Number: 71917 CB/HCP4AL
Inner Diameter：85mm Outer Diameter：120mm Width：18mm
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:chemical raw materials and reagents,Medical equipment,Forging machine,rolling machine,Forming mold,marine analysis and testing equipment,Cutting Machine,economic mold,Technical Equipment,food / grain / food equipment,noise reduction equipment
Similar models:71917 ACD/P4AH1 71917 CB/HCP4A 71917 ACB/HCP4AL 71917 ACE/HCP4A S71917 ACE/P4A 71917 CE/P4A S71917 ACB/HCP4A S71917 CE/P4A 71917 ACB/HCP4A 71917 CB/HCP4AL
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1475420	374.65	419.1	25.4	Seals
35x72x12 HMS5 V	35	72	12	Seals
71916 ACD/HCP4AH1	80	110	16	Bearings, units and housings
7206 CD/HCP4A	30	62	16	Bearings, units and housings
99128	32	38.1	11.1252	Seals
BTM 120 BTN9/HCP4CDB	120	180	54	Bearings, units and housings
NJ 308 ECPH	40	90	23	Bearings, units and housings
NJ 312 ECPH	60	130	31	Bearings, units and housings
NKXR 25 Z	25	37	30	Bearings, units and housings
NUH 2340 ECMH/PEX	200	420	138	Bearings, units and housings
SNL 519-616	68.2625	-	-	Bearings, units and housings
SYR 1 11/16 N-118	42.8625	-	-	Bearings, units and housings

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Hot number： 19974 BD-230/710 CAK/W33-OH 30/710 H 6202-2ZNR 7072 AM 812/850 M AHX 3226 G H 314 NU 1060 MA PRMF 505550 SAFS 22536 TLC SAFS 23038 KA x 6.13/16 SAW 23526 x 4.5/16 T SAW 23544 T W 034 W 61701 R-2ZS