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

NA 4903

Dimensions

d		17	mm
D		30	mm
B		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	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

0.038

Model Number: NA 4903
Inner Diameter：17mm 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, with an inner ring
Update date：2021-06-03
Application:electronic materials,large agricultural machinery,disposable,chamfering machine etc,Logistics Equipment,molding machine,Industrial,metal mold,diagnostic test paper,food safety,Water Monitoring
Similar models:NA 4903 NA 4903.2RS RNA 4903.2RS RNA 4903 NA 4903 RS
BEARING POWER International Trading Co.,Ltd. specialize in NA4903 products，there is large inventory of SKF NA 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 NA 4903 Which SKF NA4903 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
16006/HR22Q2	30	55	9	Bearings, units and housings
20x35x8 HMS5 RG	20	35	8	Seals
22213 EK	65	120	31	Bearings, units and housings
29465	74.6252	114.33	11.13	Seals
375 VRME R	367	-	-	Seals
6209/HR22Q2	45	85	19	Bearings, units and housings
99352	90	101.6	13.6652	Seals
BC4-8041/HA4	620	820	-	Bearings, units and housings
FSYE 3 11/16	93.6625	-	-	Bearings, units and housings
G 40x50x4	40	50	4	Seals
IR 20x25x38.5	20	25	38.5	Bearings, units and housings
W 032	162.2806	207.1624	-	Bearings, units and housings

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