Bearings, units and housings -- Roller bearings -- Needle roller bearings -- Needle roller bearings with machined rings -- Needle roller bearings, with machined rings, with an inner ring SKF NA 4909

NA 4909

Dimensions

d		45	mm
D		68	mm
B		22	mm
F		52	mm
r_1,2	min.	0.6	mm
s	max.	1	mm

Abutment dimensions

d_a	min.	49	mm
D_a	max.	64	mm
r_a	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	45.7	kN
Basic static load rating	C₀	78	kN
Fatigue load limit	P_u	9.65	kN
Reference speed		7500	r/min
Limiting speed		8500	r/min

Mass

Mass bearing

0.27

Model Number: NA 4909
Inner Diameter：45mm Outer Diameter：68mm Width：22mm
Reference speed:8500 r/min Limiting speed:7500 r/min
Type：Bearings, units and housings Roller bearings Needle roller bearings Needle roller bearings with machined rings
Details： Needle roller bearings with machined rings Needle roller bearings, with machined rings, with an inner ring
Update date：2025-12-09
Application:outdoor equipment,Spectrum Products,agricultural testing and analysis equipment and related,Hairbrush device,Forklift industry,Industrial equipment,mechanical annex,walking Food processing machinery and equipment,mobile toilet,filter paper products,hydraulic connector
Similar models:RNA 4909.2RS RNA 4909 NA 4909 NA 4909 RS NA 4909.2RS
BEARING POWER International Trading Co.,Ltd. specialize in NA4909 products，there is large inventory of SKF NA 4909 Needle roller bearings with machined rings. We has been built up long-term cooperation with SKF company, could make a bulk order of the NA 4909 Which SKF NA4909 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
11191	28.575	46.43	6.35	Seals
BD-231/670 CAK/W33-OH 31/670 H	630	1090	336	Bearings, units and housings
23992 CAK/W33	460	620	118	Bearings, units and housings
46144	117.475	142.9	12.7	Seals
51415 M	75	160	65	Bearings, units and housings
5200558	1320.8	1371.6	20.65	Seals
FSAF 23024 KA x 4.1/16	103.1875	-	-	Bearings, units and housings
FYK 40 WD	40	-	-	Bearings, units and housings
FYTJ 1.1/2 TF	38.1	-	-	Bearings, units and housings
NJ 2215 ECJ	75	130	31	Bearings, units and housings
YSA 213-2FK + HE 2313	57.2	120	65	Bearings, units and housings
Z 009	45	-	6	Seals

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Hot number： 13726 29867 49951 63003-2RS1 6332/HC5C3S0VA970 7013 CD/HCP4A 7303 BECBP BC2B 319961 C 3196 MB MVR2-17 NU 224 ECP RNA 4901.2RS RNU 2207 ECP SY 45 TDW TUJ 40 TF