Üreticiler

SKF 708 ACE/HCP4AH Angular Contact Ball Bearing Angular Contact Ball Bearing

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Ürün No	708 ACE/HCP4AH
Üretici	SKF
PDF Doküman	İndir

SKF markalı, ürün kodu 708 ACE/HCP4AH olan SKF 708 ACE/HCP4AH Angular Contact Ball Bearing ürününün fiyat ve detaylarını aşağıda inceleyebilirsiniz. Teklif almak için online teklif formunu doldurunuz.

Detaylı Bilgi - SKF 708 ACE/HCP4AH Angular Contact Ball Bearing Angular Contact Ball Bearing

Technical specification

MetricImperial

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DIMENSIONS

d		8 mm
D		22 mm
B		7 mm
d₁		12.1 mm
d₂		11.5 mm
D₁		17.9 mm
K		0.5 mm
C₁		4.25 mm
r_1,2		min. 0.3 mm
r_3,4		min. 0.15 mm
a		7.1 mm

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ABUTMENT DIMENSIONS

d_a		min. 10 mm
d_b		min. 10 mm
D_a		max. 20 mm
D_b		max. 20.6 mm
r_a		max. 0.3 mm
r_b		max. 0.15 mm
d_n		13.3 mm

CALCULATION DATA

Basic dynamic load rating	C	2.29 kN
Basic static load rating	C₀	0.765 kN
Fatigue load limit	P_u	0.024 kN
Attainable speed for grease lubrication		115000 r/min
Attainable speed for oil-air lubrication		180000 r/min
Contact angle	?	25 °
Ball diameter	D_w	3.969 mm
Number of balls	z	8
Reference grease quantity	G_ref	0.17 cm³

PRELOAD AND STIFFNESS (BACK-TO-BACK, FACE-TO-FACE)
Preload class A	G_A	20 N
Static axial stiffness, preload class A		26 N/µm
Preload class B	G_B	60 N
Static axial stiffness, preload class B		38 N/µm
Preload class C	G_C	120 N
Static axial stiffness, preload class C		50 N/µm

CALCULATION FACTORS
Calculation factor	f	1.02
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.06
Calculation factor	f_HC	1.01
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