Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71909 CB/HCP4A

71909 CB/HCP4A

Dimensions

d		45	mm
D		68	mm
B		12	mm
d₁		53.45	mm
d₂		52.4	mm
D₂		61.8	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		16.1	mm

Abutment dimensions

d_a	min.	48.2	mm
d_b	min.	48.2	mm
D_a	max.	64.8	mm
D_b	max.	66	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm
d_n		54.2	mm

Calculation data

Basic dynamic load rating	C	9.95	kN
Basic static load rating	C₀	9.65	kN
Fatigue load limit	P_u	0.245	kN
Attainable speed for grease lubrication		32000	r/min
Attainable speed for oil-air lubrication		50000	r/min
Ball diameter	D_w	4.762	mm
Number of balls	z	27
Reference grease quantity	G_ref	1.75	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	24	N
Static axial stiffness, preload class A		32	N/µm
Preload class B	G_B	48	N
Static axial stiffness, preload class B		41	N/µm
Preload class C	G_C	145	N
Static axial stiffness, preload class C		66	N/µm
Calculation factors
Calculation factor	f	1.08
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1.01
Calculation factor	f₀	9.7

Mass

Mass bearing

0.13

Model Number: 71909 CB/HCP4A
Inner Diameter：45mm Outer Diameter：68mm Width：12mm
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：2021-06-07
Application:Medical equipment,chamfering machine etc,Reflective Materials Industrial fabrics,multi-knife lathe,woodworking machinery,ventilation fans,metering pump,garden machinery,Industrial,metal mold,CNC
Similar models:71909 ACE/HCP4AH1 71909 CE/P4A 71909 CB/P4AL 71909 ACD/HCP4A S71909 ACE/P4A 71909 CB/HCP4A 71909 CE/P4AH1 71909 ACE/P4AL 71909 ACE/HCP4AL 71909 ACE/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71909CB/HCP4A products，there is large inventory of SKF 71909 CB/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 71909 CB/HCP4A Which SKF 71909CB/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
13509	34.925	44.45	5	Seals
1650 VL V	1495	-	-	Seals
18104	46.0502	66.62	7.95	Seals
6214 M	70	125	24	Bearings, units and housings
6305 N	25	62	17	Bearings, units and housings
6306	30	72	19	Bearings, units and housings
9307	23.8252	41.25	6.35	Seals
AOH 30/900	850	900	335	Bearings, units and housings
D/W RW1810 R	7.938	12.7	4.762	Bearings, units and housings
FSYE 2 1/2-3	63.5	-	-	Bearings, units and housings
RNAO 35x47x16	35	47	16	Bearings, units and housings
SNW 8x1.1/4	31.75	57.277	37.9476	Bearings, units and housings

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Hot number： 11130 19969 BD-22238-2CS5K/VT143-H 3138 27x43x7 HMSA10 V 32217 61944 MA BT4B 332571/HA4 FY 1.1/2 LDW K 60x65x30 NJ 28/710 ECMA NNCL 4916 CV SAFS 23056 KA x 10 SAF 22315 TLC SSAFS 23040 KA x 7.1/8 SYJ 65 TF