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：2026-04-21
Application:other lathe,chamfer,linear drive,metering pump,rolling machine,relay,food add,chemical,Roller,Body shaping,oral medical device
Similar models:NA 4903 RS RNA 4903 NA 4903.2RS NA 4903 RNA 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
20x52x7 HMS5 V	20	52	7	Seals
29422 E	110	230	73	Bearings, units and housings
524371	1241.171	-	-	Seals
7019 CE/P4AL1	95	145	24	Bearings, units and housings
7311 BECBY	55	120	29	Bearings, units and housings
FY 30 TDW	30	-	-	Bearings, units and housings
PCM 100105115 M	100	105	115	Bearings, units and housings
PCZ 0814 E	12.7	15.08125	22.225	Bearings, units and housings
SAF 22528 x 4.13/16 TLC	122.2375	-	-	Bearings, units and housings
SAF 22628 x 4.13/16 T	122.2375	-	-	Bearings, units and housings
TU 1.3/8 TF	34.925	-	-	Bearings, units and housings
YET 209	45	85	30.2	Bearings, units and housings

Purchase the SKF NA 4903 RS Needle roller bearings, with machined rings, with an inner ring Please fill in the following

Hot number： 1217 400381 450 VL R 52218 700x740x20 HDS1 R 71922 ACD/P4AL 85x115x12 HMSA10 V FSAF 1617 TLC GEC 630 FBAS NATR 12 X NJ 2217 ECP NU 1028 M NUP 2214 ECM PSM 253220 A51 SIJ 80 ES