71928 ACD/HC

71928 ACD/HC

Cập nhật cuối lúc 13:28 ngày 07/02/2106, Đã xem 371 lần

Liên hệ

Model: 71928 ACD/HC

Hãng sản xuất: SKF

Bảo hành: 12 tháng

Tình trạng: Liên hệ

Số lượng

Dimensions

Abutment dimensions

Calculation data

Basic dynamic load rating	C	90.4	kN
Basic static load rating	C₀	110	kN
Fatigue load limit	P_u	3.65	kN
Attainable speed for grease lubrication		7000	r/min
Attainable speed for oil-air lubrication		11000	r/min
Contact angle	α	25	°
Ball diameter	D_w	15.875	mm
Number of balls	z	29
Reference grease quantity	G_ref	21.6	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	560	N
Static axial stiffness, preload class A		386	N/µm
Preload class B	G_B	1120	N
Static axial stiffness, preload class B		507	N/µm
Preload class C	G_C	2240	N
Static axial stiffness, preload class C		681	N/µm
Preload class D	G_D	4480	N
Static axial stiffness, preload class D		933	N/µm
Calculation factors
Calculation factor	f	1.29
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.17
Calculation factor	f_HC	1.04
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