SKF 71808 ACD/HCP4 Angular Contact Ball Bearing

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SKF 71808 ACD/HCP4 Angular Contact Ball Bearing

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Brand:

SKF

Product Code:

71808 ACD/HCP4

Order Processing & Delivery Information:
As we supply industrial equipment, product availability and delivery timelines may vary. Once your order is placed, our sales team will contact you within 24 business hours (excluding weekends and holidays) to confirm stock status and estimated delivery time.

Product Documentation/Technical Datasheet

skf-71808-acd-hcp4-150092.pdf

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Details:

Technical specification MetricImperial

DIMENSIONS

d		40 mm
D		52 mm
B		7 mm
d1		44.1 mm
d2		44.1 mm
D1		48.1 mm
r1,2		min. 0.3 mm
r3,4		min. 0.15 mm
a		14.3 mm

ABUTMENT DIMENSIONS

da		min. 42 mm
db		min. 42 mm
Da		max. 50 mm
Db		max. 51.2 mm
ra		max. 0.3 mm
rb		max. 0.15 mm
dn		44.5 mm

CALCULATION DATA

Basic dynamic load rating	C	4.49 kN
Basic static load rating	C0	4.55 kN
Fatigue load limit	Pu	0.143 kN
Attainable speed for grease lubrication		28000 r/min
Attainable speed for oil-air lubrication		43000 r/min
Contact angle	?	25 °
Ball diameter	Dw	3.175 mm
Number of balls	z	29
Reference grease quantity	Gref	0.31 cm³

PRELOAD AND STIFFNESS (BACK-TO-BACK, FACE-TO-FACE)

Preload class A	GA	40 N
Static axial stiffness, preload class A		93 N/µm
Preload class B	GB	120 N
Static axial stiffness, preload class B		145 N/µm
Preload class C	GC	240 N
Static axial stiffness, preload class C		197 N/µm

CALCULATION FACTORS

Calculation factor	f	1.23
Calculation factor	f1	0.97
Calculation factor	f2A	1
Calculation factor	f2B	1.09
Calculation factor	f2C	1.17
Calculation factor	fHC	1.02
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y2	0.87
Calculation factor (single, tandem)	Y0	0.38
Calculation factor (single, tandem)	X2	0.41
Calculation factor (back-to-back, face-to-face)	Y1	0.92
Calculation factor (back-to-back, face-to-face)	Y2	1.41
Calculation factor (back-to-back, face-to-face)	Y0	0.76
Calculation factor (back-to-back, face-to-face)	X2	0.67