Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71903 CD/HCP4A

S71903 CD/HCP4A

Dimensions

d		17	mm
D		30	mm
B		7	mm
d₁		20.9	mm
d₂		20.9	mm
D₂		27.8	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.2	mm
a		6.7	mm

Abutment dimensions

d_a	min.	19	mm
d_a	max.	20.5	mm
d_b	min.	19	mm
d_b	max.	20.5	mm
D_a	max.	28	mm
D_b	max.	28.6	mm
r_a	max.	0.3	mm
r_b	max.	0.2	mm

Calculation data

Basic dynamic load rating	C	4.16	kN
Basic static load rating	C₀	2.08	kN
Fatigue load limit	P_u	0.088	kN
Attainable speed for grease lubrication		63000	r/min
Ball diameter	D_w	3.969	mm
Number of balls	z	14
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	15	N
Static axial stiffness, preload class A		18	N/µm
Preload class B	G_B	30	N
Static axial stiffness, preload class B		24	N/µm
Preload class C	G_C	60	N
Static axial stiffness, preload class C		34	N/µm
Preload class D	G_D	120	N
Static axial stiffness, preload class D		47	N/µm
Calculation factors
Calculation factor	f	1.05
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	9.8

Mass

Mass bearing

0.015

Model Number: S71903 CD/HCP4A
Inner Diameter：17mm Outer Diameter：30mm Width：7mm
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:water,special broaching machine,industrial equipment,Insect Count,ventilation equipment,Laser Measurements,noise reduction equipment,respirator,Cleaning equipment,shaft milling machine,ventilator anesthesia machine etc
Similar models:71903 CE/HCP4A S71903 CD/HCP4A 71903 ACE/P4A 71903 CE/P4A 71903 ACE/HCP4AH 71903 ACE/P4AH 71903 CE/P4AH 71903 ACD/P4A 71903 CE/HCP4AH S71903 ACD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in S71903CD/HCP4A products，there is large inventory of SKF S71903 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 S71903 CD/HCP4A Which SKF S71903CD/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
145x164x14 CRSA1 R	145	164	14	Seals
25x37x6 HMSA10 V	25	37	6	Seals
28x38x7 HMS5 V	28	38	7	Seals
36x52x8 CRW1 V	36	52	8	Seals
402750	247	-	-	Seals
524599	546.1	-	-	Seals
AS 0515	5	15	1	Bearings, units and housings
GEZM 014 ES	22.225	36.513	33.325	Bearings, units and housings
HK 2530.2RS	25	32	30	Bearings, units and housings
NJ 208 ECP	40	80	18	Bearings, units and housings
NUP 315 ECP	75	160	37	Bearings, units and housings
W 61800-2RZ	10	19	5	Bearings, units and housings

Purchase the SKF S71903 CD/HCP4A Please fill in the following

Hot number： 180x210x15 HMS5 RG 18x35x7 HMS5 V 523587 53x68x8 CRW1 V 57584 6011-2RS1 7036 CD/P4AL C 3096 KM OH 3284 H OKCX 830 OKF 410 SNL 3072 TURT SNW 117x2.13/16 SY 505 M W 61809 R-2Z