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 4903

RNA 4903

Dimensions

F_w		22	mm
D		30	mm
C		13	mm
r_1,2	min.	0.3	mm

Abutment dimensions

D_a	max.	28	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	11.4	kN
Basic static load rating	C₀	16.3	kN
Fatigue load limit	P_u	1.96	kN
Reference speed		18000	r/min
Limiting speed		20000	r/min

Mass

Mass bearing

0.022

Associated products

Radial shaft seal with a low cross-sectional height, single lip			G 22x30x4
Radial shaft seal with a low cross-sectional height, double lip			SD 22x30x4

Model Number: RNA 4903
Inner Diameter：22mm Outer Diameter：30mm Width：13mm
Reference speed:20000 r/min Limiting speed:18000 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：2026-04-16
Application:auto tools,Infrared Technology,Industrial,electrocardiograph,lifting equipment Hoisting hoist,Solenoid Valves,machine tool spindle,roller lathe,equipment,office outdoor camping equipment,medical equipment
Similar models:RNA 4903.2RS NA 4903 RS RNA 4903 NA 4903.2RS NA 4903
BEARING POWER International Trading Co.,Ltd. specialize in RNA4903 products，there is large inventory of SKF RNA 4903 Needle roller bearings with machined rings. We has been built up long-term cooperation with SKF company, could make a bulk order of the RNA 4903 Which SKF RNA4903 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.

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PCM 150155100 E	150	155	100	Bearings, units and housings
PCM 374030 M	37	40	30	Bearings, units and housings
PRMF 455045	45	50	45	Bearings, units and housings
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