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 4903.2RS

NA 4903.2RS

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 4903.2RS
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：2026-04-17
Application:tower crane,teaching equipment,chamfering machine etc,Medical equipment,Laser Cutting,Spectrum Products,milling head plug,light therapy instrument,Leather Products,packing equipment,generator
Similar models:NA 4903 RS NA 4903.2RS RNA 4903 NA 4903 RNA 4903.2RS
BEARING POWER International Trading Co.,Ltd. specialize in NA4903.2RS products，there is large inventory of SKF NA 4903.2RS 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 4903.2RS Which SKF NA4903.2RS 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
11150	28.575	44.45	6.35	Seals
305805 C-2RS1	25	62	20.6	Bearings, units and housings
32018 X	90	140	32	Bearings, units and housings
44x65x10 HMS5 RG	44	65	10	Seals
48x70x8 CRW1 V	48	70	8	Seals
C 4908 V	40	62	22	Bearings, units and housings
KR 72 PPA	-	72	80	Bearings, units and housings
NU 2364 ECMA	320	670	200	Bearings, units and housings
OKCS 230	230		-
PCZ 3224 M	50.8	55.56	38.1	Bearings, units and housings
PRM 252825	25	28	25	Bearings, units and housings
W 619/5 X-2Z	5	13	5	Bearings, units and housings

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