F_w - 22 mm

D - 30 mm

C - 13 mm

r_min - 0,3 mm

m - 22,2 g / Weight

C_r - 12400 N / Dynamic load rating (radial)

C_0r - 14600 N / Static load rating (radial)

C_ur - 2600 N / Fatigue limit load, radial

n_G - 20000 1/min / Limiting speed

n_B - 9900 1/min / Reference speed

dimension series 49, to DIN 617/ISO 1206

• Model Number:RNA4903
• Inner Diameter：22mm Outer Diameter：30mm Width：13mm
• Type：Needle Roller Bearings
• Update date：2026-01-13
• Application:small appliances,pump industry,electric pump,embroidery cloth,marine test,Grinding and polishing equipment,Rolling mill gear box,Pneumatic Actuator,rolling machine,position switch,Gear grinding machine
• Similar models:INA NA4903-2RSR INA RNA4903-XL NSK RNA4903 NTN RNA4903LL SKF RNA4903RS ZEN RNA4903 NBS NA4903RS NSK NA4903TT NBS NA4903 MPZ NA4903
• BEARING POWER International Trading Co.,Ltd. specialize in RNA4903 products，there is large inventory of INA RNA4903 . We has been built up long-term cooperation with INA company, could make a bulk order of the RNA4903 Which INA RNA4903 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	Brand	Type
  11307	35	80	56	KOYO	Self-Aligning Ball Bearings
  22334 CC/W33	360	170	120	SKF	Tapered Roller Bearings
  23088YMB	440	650	157	Timken	Spherical Roller Bearings
  36137/36300	34,925	76,2	29,37	ISO	Tapered Roller Bearings
  780/772-B	101,6	180,975	48,006	Timken	Tapered Roller Bearings
  4T-05066/05185	16,993	47	14,381	NTN	Tapered Roller Bearings
  FC 4056188	200	280	188	ISB	Cylindrical Roller Bearings
  HR32234J	170	310	91	NSK	Tapered Roller Bearings
  K89452-M	260	480		NBS	Thrust Roller Bearings
  N220 E	100	180	34	CX	Cylindrical Roller Bearings
  NF2321	105	225	77	CX	Cylindrical Roller Bearings
  PK35X48X30.8	35,000	48,000		NTN	Needle Roller Bearings
  TNB44255S01	36	64	19,5	SNR	Needle Roller Bearings
  HYDNUT200-INCH			50	FAG	HYDRAULIC NUTS
  MUC360	300	620	109	Rollway	CYLINDRICAL ROLLER BEARINGS
  RNAO22x30x13	30		13	SKF	NEEDLE BEARINGS
  65BIC298	6.5000	8.7500	1.1250	Torrington	DEEP GROOVE BALL BEARINGS
  N-432	160	400	88	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  HMS-3044	7	Tr 220x4	20	CONSOLIDATED	LOCKNUTS COMPLETE WITH LOCKING CLAMP
  YRT-100	100	185	RTC100	CONSOLIDATED	AXIAL / RADIAL BEARING FOR ROTARY TABLE