Bearings, units and housings -- Roller bearings -- Needle roller bearings -- Needle roller bearings with machined rings -- Needle roller bearings, with machined rings, without an inner ring SKF RNA 4909

RNA 4909

Dimensions

F_w		52	mm
D		68	mm
C		22	mm
r_1,2	min.	0.6	mm

Abutment dimensions

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

0.18

Associated products

Radial shaft seal

52x68x8 HMS5 RG

Model Number: RNA 4909
Inner Diameter：52mm 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, without an inner ring
Update date：2026-07-24
Application:Water Monitoring,nail products,Forging machine,Display Devices,Hydraulic Equipment,Pneumatic Control Elements,floor industry,pneumatic Pump,embroidery cloth,Industrial,Roller mill
Similar models:RNA 4909.2RS NA 4909 RNA 4909 NA 4909 RS NA 4909.2RS
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Model No. Inner Diameter Outer Diameter Width Type

331607 A
NKI 30/30 TN
RNA 4910.2RS
SSAFS 23048 KA x 8.7/16
WS 81113

Purchase the SKF RNA 4909 Needle roller bearings, with machined rings, without an inner ring Please fill in the following

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Model No.	Inner Diameter	Outer Diameter	Width	Type
331607 A
NKI 30/30 TN
RNA 4910.2RS
SSAFS 23048 KA x 8.7/16
WS 81113