(dimensions in mm)

Bearing Type - Single Row, Heavy Duty

Outer Dia (D) - 30.0000

Width (B) - 13.0000

Dynamic Load Rating (Cr) - 11,000

Static Load Rating (Cor) - 14,600

Max Speed (Oil) (X1000 RPM) - 21,000

Shaft (Fw) - 22.000

Weight (g) - 22.20

Material - 52100 Chrome steel, or equivalent

The bearing must be used with a hardened inner ring, or a hardened shaft.

Some sizes are available with either a single seal or two seals.

• Model Number:RNA4903
• Inner Diameter：22mm Outer Diameter：30mm Width：13mm
• Type：Needle Roller Bearings
• Update date：2023-03-09
• Application:marine analysis,decoration machinery,special broaching machine,packaging materials,filter paper products,Embroidery,enzyme,Surveying Surveying Instruments,Display Devices,teaching equipment,mathematical instruments
• Similar models:Timken NA4903 SKF RNA4903 NTN NA4903LL NBS RNA49032RS INA NA4903-2RSR ISO NA4903-2RS CRAFT NA4903-2RS KOYO RNA4903.2RS KOYO RNA4903RS IKO NA4903U
• BEARING POWER International Trading Co.,Ltd. specialize in RNA4903 products，there is large inventory of AST RNA4903 . We has been built up long-term cooperation with AST company, could make a bulk order of the RNA4903 Which AST 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
  2301	12	37	17	ISB	Self-Aligning Ball Bearings
  53324	120	210	74.1	NACHI	Thrust Ball Bearings
  38P	8	22	10	Timken	Deep Groove Ball Bearings
  71938 CTBP4	190	260	33	CX	Angular Contact Ball Bearings
  7306 BEGBY	72	30	19	SKF	Angular Contact Ball Bearings
  AST800 7050	70	75		AST	Plain Bearings
  B7205-E-T-P4S	25	52	15	FAG	Angular Contact Ball Bearings
  EE0	3,175	9,525	3,967	KOYO	Deep Groove Ball Bearings
  F688ZZ	8	16	5	ISO	Deep Groove Ball Bearings
  GBRI 406028 UU	63,5	95,25	44,7	IKO	Needle Roller Bearings
  GEWZ25ES	25,4	41,275		AST	Plain Bearings
  NF216	80	140	26	FBJ	Cylindrical Roller Bearings
  NJ340 E	200	420	80	CX	Cylindrical Roller Bearings
  RNA2050	62,1	80	28	KOYO	Needle Roller Bearings
  SAK14C	14			LS	Plain Bearings
  SMF85-2Z	5	8	2,5	ZEN	Deep Groove Ball Bearings
  53211U				FAG	THRUST BALL BEARINGS WITH SPHERICAL SEATING RING
  LP340				RIV	THRUST BALL BEARINGS
  SUCTF-206-20	1.2500			IPTCI	THERMOPLASTIC PILLOW BLOCKS
  239/1320	1320	1720	300	CONSOLIDATED	SPHERICAL ROLLER BEARINGS