71938 ACD

71938 ACD

Cập nhật cuối lúc 13:28 ngày 07/02/2106, Đã xem 556 lần

Liên hệ

Model: 71938 ACD

Hãng sản xuất: SKF

Bảo hành: 12 tháng

Tình trạng: Liên hệ

Số lượng

Dimensions

Abutment dimensions

Calculation data

Basic dynamic load rating	C	163	kN
Basic static load rating	C₀	208	kN
Fatigue load limit	P_u	5.85	kN
Attainable speed for grease lubrication		4500	r/min
Attainable speed for oil-air lubrication		6700	r/min
Contact angle	α	25	°
Ball diameter	D_w	22.225	mm
Number of balls	z	28
Reference grease quantity	G_ref	57	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	1000	N
Static axial stiffness, preload class A		455	N/µm
Preload class B	G_B	2000	N
Static axial stiffness, preload class B		599	N/µm
Preload class C	G_C	4000	N
Static axial stiffness, preload class C		798	N/µm
Preload class D	G_D	8000	N
Static axial stiffness, preload class D		1090	N/µm
Calculation factors
Calculation factor	f	1.27
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_2D	1.14
Calculation factor	f_HC	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