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 RS

NA 4909 RS

Dimensions

d		45	mm
D		68	mm
B		22	mm
C		22	mm
F		52	mm
r_1,2	min.	0.6	mm
s	max.	0.5	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	39.1	kN
Basic static load rating	C₀	64	kN
Fatigue load limit	P_u	7.8	kN
Limiting speed		3800	r/min

Mass

Mass bearing

0.27

Model Number: NA 4909 RS
Inner Diameter：45mm Outer Diameter：68mm Width：22mm
Reference speed:3800 r/min Limiting speed: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：2026-06-24
Application:ventilator anesthesia machine etc,Antenna Potentials,Flame Cutting,thin metal materials,spreader series,beverage production,tube,education model Instruments,generator,Technical Equipment,sterilizers
Similar models:NA 4909 RS NA 4909 RNA 4909.2RS NA 4909.2RS RNA 4909
BEARING POWER International Trading Co.,Ltd. specialize in NA4909RS products，there is large inventory of SKF NA 4909 RS 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 RS Which SKF NA4909RS 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

1218
29862
NNU 41/500 K30M/W33
NU 210 ECJ
NU 311 ECML

Purchase the SKF NA 4909 RS Needle roller bearings, with machined rings, with an inner ring Please fill in the following

Hot number： 16002-2Z 50186 61816 71906 CD/HCP4A 71917 ACB/P4A 77996 BC1B 319579 BEAM 060145-2RS NJ 216 ECML NK 5/10 TN PBM 220240250 M1G1 SAFS 22520 x 3.3/8 T SSAFS 22540 x 7.1/4 T TUWK 508 L W 61917

Model No.	Inner Diameter	Outer Diameter	Width	Type
1218
29862
NNU 41/500 K30M/W33
NU 210 ECJ
NU 311 ECML