Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71809 CD/HCP4

71809 CD/HCP4

Dimensions

d		45	mm
D		58	mm
B		7	mm
d₁		49.6	mm
d₂		49.6	mm
D₁		53.6	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		10.4	mm

Abutment dimensions

d_a	min.	47	mm
d_b	min.	47	mm
D_a	max.	56	mm
D_b	max.	57.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		50	mm

Calculation data

Basic dynamic load rating	C	4.88	kN
Basic static load rating	C₀	5.3	kN
Fatigue load limit	P_u	0.224	kN
Attainable speed for grease lubrication		26000	r/min
Attainable speed for oil-air lubrication		40000	r/min
Ball diameter	D_w	3.175	mm
Number of balls	z	31
Reference grease quantity	G_ref	0.36	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	27	N
Static axial stiffness, preload class A		42	N/µm
Preload class B	G_B	80	N
Static axial stiffness, preload class B		72	N/µm
Preload class C	G_C	160	N
Static axial stiffness, preload class C		106	N/µm
Calculation factors
Calculation factor	f	1.24
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.1
Calculation factor	f_2C	1.18
Calculation factor	f_HC	1.02
Calculation factor	f₀	17.4

Mass

Mass bearing

0.037

Model Number: 71809 CD/HCP4
Inner Diameter：45mm Outer Diameter：58mm 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：2026-04-16
Application:pump,Rolling mill gear box,Spectrum Products,tobacco machinery,Cylinder Standard,flow control valve,diving equipment,Animal Tracking,suction nozzle,pump accessories,climb ladder
Similar models:71809 CD/P4 71809 ACD/P4 71809 CD/HCP4
BEARING POWER International Trading Co.,Ltd. specialize in 71809CD/HCP4 products，there is large inventory of SKF 71809 CD/HCP4 Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71809 CD/HCP4 Which SKF 71809CD/HCP4 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
13437	34.1376	53.98	7.95	Seals
BD-240/900 ECAK30/W33-AOH 240/900	850	1280	375	Bearings, units and housings
71902 CE/HCP4A	15	28	7	Bearings, units and housings
7413 BGBM	65	160	37	Bearings, units and housings
750 VA V	705	-	-	Seals
AN 16	15.3416	-	79.6798	Bearings, units and housings
BK 0509	5	9	9	Bearings, units and housings
GEP 380 FS	380	540	272	Bearings, units and housings
NCF 2913 CV	65	90	16	Bearings, units and housings
PCM 110115115 E	110	115	115	Bearings, units and housings
SAF 22513	55.5625	-	-	Bearings, units and housings
Z 211	55	-	7	Seals

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