7048 ACD/HC

7048 ACD/HC

Cập nhật cuối lúc 13:28 ngày 07/02/2106, Đã xem 380 lần

Liên hệ

Model: 7048 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	325	kN
Basic static load rating	C₀	465	kN
Fatigue load limit	P_u	11.4	kN
Attainable speed for grease lubrication		4300	r/min
Attainable speed for oil-air lubrication		6300	r/min
Contact angle	α	25	°
Ball diameter	D_w	38.1	mm
Number of balls	z	22
Reference grease quantity	G_ref	216	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	2050	N
Static axial stiffness, preload class A		634	N/µm
Preload class B	G_B	4100	N
Static axial stiffness, preload class B		824	N/µm
Preload class C	G_C	8200	N
Static axial stiffness, preload class C		1086	N/µm
Preload class D	G_D	16400	N
Static axial stiffness, preload class D		1460	N/µm
Calculation factors
Calculation factor	f	1.15
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_2D	1.08
Calculation factor	f_HC	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