Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71909 CE/P4AH1

71909 CE/P4AH1

Dimensions

d		45	mm
D		68	mm
B		12	mm
d₁		52.7	mm
d₂		51	mm
D₁		60.3	mm
K		0.5	mm
C₁		3.75	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		14	mm

Abutment dimensions

d_a	min.	48.2	mm
d_b	min.	47	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	10.1	kN
Basic static load rating	C₀	6.95	kN
Fatigue load limit	P_u	0.29	kN
Attainable speed for grease lubrication		29000	r/min
Attainable speed for oil-air lubrication		44000	r/min
Ball diameter	D_w	6.35	mm
Number of balls	z	21
Reference grease quantity	G_ref	1.5	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	55	N
Static axial stiffness, preload class A		34	N/µm
Preload class B	G_B	166	N
Static axial stiffness, preload class B		53	N/µm
Preload class C	G_C	331	N
Static axial stiffness, preload class C		73	N/µm
Calculation factors
Calculation factor	f	1.09
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1
Calculation factor	f₀	8.4

Mass

Mass bearing

0.13

Model Number: 71909 CE/P4AH1
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：2024-12-13
Application:education model Instruments,lathe,instrument,equipment and,hydraulic cylinder,sheet industry,Leather Products,flow control valve,Gas turbine,natural instruments,Handling machinery and various industrial machinery
Similar models:S71909 CD/P4A 71909 CE/P4A 71909 CB/HCP4AL 71909 CB/HCP4A 71909 ACE/P4AH1 S71909 CE/P4A S71909 CB/P4A S71909 ACE/P4A 71909 CE/P4AL S71909 ACB/HCP4A
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16x28x7 HMS5 V	16	28	7	Seals
32x50x8 CRW1 R	32	50	8	Seals
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400805	72	-	-	Seals
49927	127	152.43	12.7	Seals
6314 NR	70	150	35	Bearings, units and housings
GEZ 212 ESL-2LS	69.85	111.125	52.375	Bearings, units and housings
NKI 42/20	42	57	20	Bearings, units and housings
OKBS 53	53	-	-
SYE 3 7/16-18	87.3125	-	-	Bearings, units and housings
SYJ 35 KF	30	-	-	Bearings, units and housings

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Hot number： 15209 28x42x8 HMSA10 RG 55x100x12 HMSA10 RG 6228 MA 81156 M 7200 BECBP 7208 CD/HCP4A 87054 C 31/530 M FY 1.1/2 LDW NJ 2213 ECP OKBS 61 QJ 311 MA SAFS 23026 KA x 4.1/2 Z 013 F