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 4903 RS

NA 4903 RS

Dimensions

d		17	mm
D		30	mm
B		14	mm
C		13	mm
F		22	mm
r_1,2	min.	0.3	mm
s	max.	0.5	mm

Abutment dimensions

d_a	min.	19	mm
D_a	max.	28	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	9.52	kN
Basic static load rating	C₀	12.9	kN
Fatigue load limit	P_u	1.53	kN
Limiting speed		9000	r/min

Mass

Mass bearing

0.04

Model Number: NA 4903 RS
Inner Diameter：17mm Outer Diameter：30mm Width：14mm
Reference speed:9000 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：2025-12-09
Application:chamfering machine etc,powder metallurgy,instrument,ventilator anesthesia machine etc,Display Devices,lifting tackle,Industrial Adhesive,special broaching machine,power source,Power equipment,fruit and vegetable processing
Similar models:RNA 4903 NA 4903 RNA 4903.2RS NA 4903 RS NA 4903.2RS
BEARING POWER International Trading Co.,Ltd. specialize in NA4903RS products，there is large inventory of SKF NA 4903 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 4903 RS Which SKF NA4903RS 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
16002	15	32	8	Bearings, units and housings
16009/HR11QN	45	75	10	Bearings, units and housings
24038 CC/W33	190	290	100	Bearings, units and housings
31320 X/DF	100	215	-	Bearings, units and housings
387/382	57.15	98.425	21	Bearings, units and housings
71809 CD/HCP4	45	58	7	Bearings, units and housings
81105 TN	25	42	11	Bearings, units and housings
FYTB 5/8 TF	15.875	-	-	Bearings, units and housings
KMTA 12	24	-	60	Bearings, units and housings
NJ 28/530 ECMA	530	650	72	Bearings, units and housings
SAF 22620 TLC	87.3125	-	-	Bearings, units and housings
W 61910-2RZ	50	72	12	Bearings, units and housings

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