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 6903

RNA 6903

Dimensions

F_w		22	mm
D		30	mm
C		23	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	18.7	kN
Basic static load rating	C₀	30.5	kN
Fatigue load limit	P_u	3.75	kN
Reference speed		18000	r/min
Limiting speed		20000	r/min

Mass

Mass bearing

0.042

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 6903
Inner Diameter：22mm Outer Diameter：30mm Width：23mm
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：2026-06-24
Application:extruder,equipment,metal mold,test laboratory equipment and accessories,rehabilitation training equipment,Machine tool accessories,Security Equipment,Industrial Electromechanical,Anti-defibrillation pacing,gear grinding machine,small appliances
Similar models:NA 6903 RNA 6903
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Model No. Inner Diameter Outer Diameter Width Type

15796
180 VL V
42x62x8 CRW1 R
61932
6203-2RSL

Purchase the SKF RNA 6903 Needle roller bearings, with machined rings, without an inner ring Please fill in the following

Hot number： 1530x1580x20 HDS1 R 21317 EK 550 VL R 71918 CE/HCP4A 71922 ACB/HCP4AL FSNL 518-615 FY 50 TF NJ 1060 MA NU 340 ECML PBM 240260350 M1G1 PBMF 220240100 M1G1 PCM 125130100 E SI 30 ES SNL 3160 ATURA W 6307-2RZ

Model No.	Inner Diameter	Outer Diameter	Width	Type
15796
180 VL V
42x62x8 CRW1 R
61932
6203-2RSL