Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71905 CD/HCP4A

71905 CD/HCP4A

Dimensions

d		25	mm
D		42	mm
B		9	mm
d₁		30.6	mm
d₂		30.6	mm
D₁		36.4	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.2	mm
a		9	mm

Abutment dimensions

d_a	min.	27	mm
d_b	min.	27	mm
D_a	max.	40	mm
D_b	max.	40.6	mm
r_a	max.	0.3	mm
r_b	max.	0.2	mm
d_n		31.8	mm

Calculation data

Basic dynamic load rating	C	6.76	kN
Basic static load rating	C₀	4	kN
Fatigue load limit	P_u	0.17	kN
Attainable speed for grease lubrication		45000	r/min
Attainable speed for oil-air lubrication		63000	r/min
Ball diameter	D_w	4.762	mm
Number of balls	z	18
Reference grease quantity	G_ref	0.54	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	25	N
Static axial stiffness, preload class A		27	N/µm
Preload class B	G_B	50	N
Static axial stiffness, preload class B		36	N/µm
Preload class C	G_C	100	N
Static axial stiffness, preload class C		49	N/µm
Preload class D	G_D	200	N
Static axial stiffness, preload class D		69	N/µm
Calculation factors
Calculation factor	f	1.07
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.18
Calculation factor	f_HC	1.04
Calculation factor	f₀	10.2

Mass

Mass bearing

0.039

Model Number: 71905 CD/HCP4A
Inner Diameter：25mm Outer Diameter：42mm Width：9mm
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:Small air generators,lathe,Liposuction device,electrostatic protection,Vacuum generator,reinforced machinery,Die,chemical instruments,pneumatic,miscellaneous instruments,centrifugal pump
Similar models:S71905 ACD/HCP4A 71905 CD/HCP4A S71905 CD/HCP4A 71905 CD/P4A 71905 ACE/P4AH S71905 CD/P4A 71905 CE/HCP4AL S71905 ACE/P4A 71905 ACD/HCP4A 71905 ACE/HCP4AH
BEARING POWER International Trading Co.,Ltd. specialize in 71905CD/HCP4A products，there is large inventory of SKF 71905 CD/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 71905 CD/HCP4A Which SKF 71905CD/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.

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19466	49.2252	95.28	12.7	Seals
6024 N	120	180	28	Bearings, units and housings
70/500 BM	500	720	100	Bearings, units and housings
7302 BECBP	15	42	13	Bearings, units and housings
7321 BEGAM	105	225	49	Bearings, units and housings
FY 40 TDW	40	-	-	Bearings, units and housings
FYWK 1.1/2 YTA	38.1	-	-	Bearings, units and housings
HM 30/750	90	-	750	Bearings, units and housings
IR 40x50x20 EGS	40	50	20	Seals
PFD 25 WF	25	-	-	Bearings, units and housings
PSMF 121810 A51	12	18	10	Bearings, units and housings
SYF 35 FM	35	-	-	Bearings, units and housings

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