SKF 71812 ACD/P4 Angular Contact Ball Bearing

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SKF 71812 ACD/P4 Angular Contact Ball Bearing

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Brand:

SKF

Product Code:

71812 ACD/P4

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-71812-acd-p4-790777.pdf

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Tags and Keywords:

SKF SKF ACD/P4 Ball SKF ACD/P4 Angular Contact Bearing Angular 71812 ACD/P4 Angular Contact Ball SKF Angular Ball SKF 71812 ACD/P4 Ball

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Details:

Technical specification MetricImperial

DIMENSIONS

d		60 mm
D		78 mm
B		10 mm
d1		65.7 mm
d2		65.7 mm
D1		72.5 mm
r1,2		min. 0.3 mm
r3,4		min. 0.15 mm
a		21.1 mm

ABUTMENT DIMENSIONS

da		min. 62 mm
db		min. 62 mm
Da		max. 76 mm
Db		max. 77.2 mm
ra		max. 0.3 mm
rb		max. 0.15 mm
dn		66.4 mm

CALCULATION DATA

Basic dynamic load rating	C	12.7 kN
Basic static load rating	C0	13.4 kN
Fatigue load limit	Pu	0.57 kN
Attainable speed for grease lubrication		15000 r/min
Attainable speed for oil-air lubrication		22000 r/min
Contact angle	?	25 °
Ball diameter	Dw	5.556 mm
Number of balls	z	28
Reference grease quantity	Gref	1.2 cm³

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

Preload class A	GA	114 N
Static axial stiffness, preload class A		141 N/µm
Preload class B	GB	340 N
Static axial stiffness, preload class B		222 N/µm
Preload class C	GC	680 N
Static axial stiffness, preload class C		306 N/µm

CALCULATION FACTORS

Calculation factor	f	1.3
Calculation factor	f1	0.97
Calculation factor	f2A	1
Calculation factor	f2B	1.08
Calculation factor	f2C	1.15
Calculation factor	fHC	1
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