Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71905 CD/HCP4A

S71905 CD/HCP4A

Dimensions

d		25	mm
D		42	mm
B		9	mm
d₁		30.6	mm
d₂		30.6	mm
D₂		39.15	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_a	max.	30.1	mm
d_b	min.	27	mm
d_b	max.	30.1	mm
D_a	max.	40	mm
D_b	max.	40.6	mm
r_a	max.	0.3	mm
r_b	max.	0.2	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
Ball diameter	D_w	4.762	mm
Number of balls	z	18
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

0.038

Model Number: S71905 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：2025-12-09
Application:tooth filling,Vacuum generator,hydraulic pump,Storage Device,respirator,coupling type,chemical,organic raw materials,non-ferrous metal alloy,fabric products,vacuum filter
Similar models:S71905 CE/P4A 71905 CE/P4A 71905 CE/P4AL 71905 ACE/HCP4A S71905 CD/P4A 71905 CE/P4AH 71905 ACD/HCP4A S71905 CE/HCP4A 71905 ACD/P4A S71905 CD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in S71905CD/HCP4A products，there is large inventory of SKF S71905 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 S71905 CD/HCP4A Which SKF S71905CD/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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Hot number： 17442 2308 EKTN9 30230/DF 30321 81156 M 71920 ACE/HCP4A AOH 24064 G C 31/530 KM FYAWK 35 LTHR IR 28x32x20 PBM 8510070 M1G1 PRM 505530 RNU 307 ECP SAF 22634 x 5.13/16 TLC W 61803 R-2Z