Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71948 ACD/HCP4A

71948 ACD/HCP4A

Dimensions

d		240	mm
D		320	mm
B		38	mm
d₁		264.7	mm
d₂		264.7	mm
D₁		295.3	mm
r_1,2	min.	2.1	mm
r_3,4	min.	1	mm
a		84.5	mm

Abutment dimensions

d_a	min.	251	mm
d_b	min.	251	mm
D_a	max.	309	mm
D_b	max.	315	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		271.4	mm

Calculation data

Basic dynamic load rating	C	216	kN
Basic static load rating	C₀	305	kN
Fatigue load limit	P_u	7.8	kN
Attainable speed for grease lubrication		3800	r/min
Attainable speed for oil-air lubrication		5600	r/min
Ball diameter	D_w	25.4	mm
Number of balls	z	31
Reference grease quantity	G_ref	93	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	1350	N
Static axial stiffness, preload class A		648	N/µm
Preload class B	G_B	2700	N
Static axial stiffness, preload class B		851	N/µm
Preload class C	G_C	5400	N
Static axial stiffness, preload class C		1142	N/µm
Preload class D	G_D	10800	N
Static axial stiffness, preload class D		1568	N/µm
Calculation factors
Calculation factor	f	1.32
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

Mass

Mass bearing

5.98

Model Number: 71948 ACD/HCP4A
Inner Diameter：240mm Outer Diameter：320mm Width：38mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Angular contact ball bearings Angular contact ball bearings, super-precision
Details： Angular contact ball bearings, super-precision
Update date：2021-06-06
Application:luminescent reagent,coal,floor industry,stirrer,roller lathe,plastic rolling,standing experimental equipment,spectrometer,Warehouse Shelf Equipment,Industrial Adhesive,disposable
Similar models:71948 CD/HCP4AL 71948 ACD/HCP4AL 71948 ACD/P4AL 71948 CD/P4AL 71948 ACD/HCP4A 71948 ACD/P4A 71948 CD/HCP4A 71948 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71948ACD/HCP4A products，there is large inventory of SKF 71948 ACD/HCP4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71948 ACD/HCP4A Which SKF 71948ACD/HCP4A is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
12350	31.75	42.85	7.95	Seals
25x42x7 HMS5 RG	25	42	7	Seals
30221T88/DB	105	190	-	Bearings, units and housings
6581 X/6535	90	161.925	53.975	Bearings, units and housings
BEAM 040100-2RZ	40	100	34	Bearings, units and housings
KD21-554	95	384	-	Coupling systems
NJ 18/800 ECMA	800	980	82	Bearings, units and housings
S7006 ACD/HCP4A	30	55	13	Bearings, units and housings
S7019 CD/HCP4A	95	145	24	Bearings, units and housings
SAFS 22232 T	160	-	-	Bearings, units and housings
SSAFS 22640 x 7.1/8	180.975	-	-	Bearings, units and housings
W 06	30.3022	48.8188	-	Bearings, units and housings

Purchase the SKF 71948 ACD/HCP4A Please fill in the following

Hot number： 206-2ZNR 3213 A-2RS1 44x65x10 HMS5 RG 71904 CD/P4A AXW 50 FSYE 2 15/16-18 GS 89417 HME 3176 NKIA 5904 PSM 060904 A51 SAF 1509 T SAFS 22240 T SAFS 22217 T XHCE 050/OK 150 YAR 207-107-2F