Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71909 ACE/HCP4A

S71909 ACE/HCP4A

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		20	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	9.75	kN
Basic static load rating	C₀	6.55	kN
Fatigue load limit	P_u	0.275	kN
Attainable speed for grease lubrication		30000	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	88	N
Static axial stiffness, preload class A		94	N/µm
Preload class B	G_B	265	N
Static axial stiffness, preload class B		141	N/µm
Preload class C	G_C	529	N
Static axial stiffness, preload class C		185	N/µm
Calculation factors
Calculation factor	f	1.09
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1.01
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

0.11

Model Number: S71909 ACE/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：2025-12-09
Application:Flame Cutting,machining,switch,defogging and degreasing,paint paint,vacuum suction cup,product accessories,linear drive,van,hot and cold box,Industrial
Similar models:71909 CD/HCP4A 71909 ACE/P4A S71909 ACD/P4A 71909 ACE/P4AH1 S71909 ACE/P4A 71909 CE/HCP4AH1 71909 ACD/P4A 71909 ACE/P4AL 71909 ACB/P4A 71909 ACE/HCP4AL
BEARING POWER International Trading Co.,Ltd. specialize in S71909ACE/HCP4A products，there is large inventory of SKF S71909 ACE/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 S71909 ACE/HCP4A Which SKF S71909ACE/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
1213 ETN9	65	120	23	Bearings, units and housings
162x200x16 CRWH1 R	162	200	15.88	Seals
238/1060 CAMA/W20	1060	1280	165	Bearings, units and housings
32289	81.9912	99.568	12.7	Seals
53317 + U 317	85	150	53.1	Bearings, units and housings
AOH 32/800	750	800	550	Bearings, units and housings
FYTB 45 LDW	45	-	-	Bearings, units and housings
NNU 41/500 K30M/W33	500	830	325	Bearings, units and housings
P 72 R-30 TF	30	-	-	Bearings, units and housings
SAF 22544 T	201.6125	-	-	Bearings, units and housings
WS 81118	90		6.5	Bearings, units and housings
WS 89315	75		12.5	Bearings, units and housings

Purchase the SKF S71909 ACE/HCP4A Please fill in the following

Hot number： 100x140x12 CRWA1 R 50x85x8 CRW1 R 55x100x12 HMS5 V 7011 ACE/HCP4AL 90866 AXK 75100 FSAF 22311 T GB 4938 NU 340 ECML PF 1.3/4 TF SAF 22617 x 2.13/16 SHT 95 SNL 3038 TURA SNL 3156 ATURA W 02