Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71909 CE/P4A

S71909 CE/P4A

Dimensions

d		45	mm
D		68	mm
B		12	mm
d₁		52.7	mm
d₂		51	mm
D₂		62.6	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_a	max.	52.1	mm
d_b	min.	47	mm
d_b	max.	50.4	mm
D_a	max.	64.8	mm
D_b	max.	66	mm
r_a	max.	0.6	mm
r_b	max.	0.3	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
Ball diameter	D_w	6.35	mm
Number of balls	z	21
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: S71909 CE/P4A
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：2026-04-16
Application:Processing machinery,Material handling equipment,forklift truck,Insect Count,welding equipment,building decoration raw materials and accessories,electromagnetic clutch,medical equipment,wall industry,hydraulic pump,car and accessories
Similar models:S71909 ACB/HCP4A 71909 ACE/HCP4A 71909 ACE/P4AH1 71909 CE/P4AH1 71909 CB/HCP4AL 71909 ACE/HCP4AL 71909 ACE/HCP4AH1 71909 ACD/HCP4A 71909 ACD/P4A 71909 ACE/P4AL
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Model No.	Inner Diameter	Outer Diameter	Width	Type
20x42x10 HMSA10 RG	20	42	10	Seals
25x37x6 HMSA10 V	25	37	6	Seals
31269	79.375	114.33	11.13	Seals
34x48x8 HMS5 RG	34	48	8	Seals
485 VRME R	473	-	-	Seals
6307 N	35	80	21	Bearings, units and housings
709 ACD/HCP4AH	9	24	7	Bearings, units and housings
AH 24034	160	170	106	Bearings, units and housings
BD-C 3140 K-AH 3140	190	340	112	Bearings, units and housings
GEH 30 TXE-2LS	30	55	20	Bearings, units and housings
NA 6906	30	47	30	Bearings, units and housings
P 80	-	-	-	Bearings, units and housings

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Hot number： 2205 ETN9 61834 71906 ACB/P4A 7220 BEP 760 VRME R 99873 FYTB 30 TF MVR1-16 NU 222 ECP NU 307 ECJ NU 408 PF 50 FM S7016 CD/HCP4A SAFS 22224 SSAFS 22526 x 4.5/16