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：2024-12-13
Application:gantry processing,ship special,Cylinder Pneumatic Treatment Element,transistor fittings,Dental Equipment,car steering pin,Wire grinder,Industrial,fruit and vegetable processing,decoration machinery,Pest Monitoring
Similar models:S71917 CE/HCP4A 71917 ACB/P4A 71917 ACE/HCP4AL 71917 CD/HCP4AH1 71917 ACE/P4AL 71917 ACB/HCP4AL S71917 CB/HCP4A 71917 ACB/HCP4A 71917 ACE/P4A S71917 ACE/P4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1120 VRME R	1065	-	-	Seals
18x40x7 HMS5 V	18	40	7	Seals
20x32x7 HMS5 V	20	32	7	Seals
240/750 ECA/W33	750	1090	335	Bearings, units and housings
471426	1350	-	-	Seals
619/750 MA	750	1000	112	Bearings, units and housings
6304-RSL	20	52	15	Bearings, units and housings
9998	25.4	44.5	6.35	Seals
BEAM 012055-2RS	12	55	25	Bearings, units and housings
BT2B 332237 A/HA1	431.8	571.5	-	Bearings, units and housings
S7006 CD/HCP4A	30	55	13	Bearings, units and housings
W 638/3 R-2Z	3	7	3	Bearings, units and housings

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