(dimensions in mm)

Bearing Type - Single Row, Heavy Duty

Outer Dia (D) - 28.0000

Width (B) - 13.0000

Dynamic Load Rating (Cr) - 10,600

Static Load Rating (Cor) - 13,600

Max Speed (Oil) (X1000 RPM) - 22,000

Shaft (Fw) - 20.000

Weight (g) - 21.70

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: RNA4902
• Inner Diameter：20mm Outer Diameter：28mm Width：13mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:plastic rolling,marine analysis and testing equipment,Cleaning equipment,Cylinder Special,Storage Tool,milling head plug,diagnostic test paper,circulating pump,ultra-quiet generators,hydraulic pressure gauge,stamping die and its equipment
• Similar models:AST RNA4902 IKO RNA4902 NTN NA4902L ISO NA4902 Timken RNA4902 INA RNA4902 NTN RNA4902 Timken RNA4902RS CX RNA4902 NBS NA4902RS
• BEARING POWER International Trading Co.,Ltd. specialize in RNA4902 products，there is large inventory of AST RNA4902 . We has been built up long-term cooperation with AST company, could make a bulk order of the RNA4902 Which AST RNA4902 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
  170KBE2501+L	170	250	85	NSK	Tapered Roller Bearings
  513245	36	64	42	Timken	Tapered Roller Bearings
  6004-2Z/VA208	42	20	12	SKF	Deep Groove Ball Bearings
  61984	420	560	65	CX	Deep Groove Ball Bearings
  6319-2RS	95	200	45	AST	Deep Groove Ball Bearings
  7332B	160	340	68	NTN	Angular Contact Ball Bearings
  90TAC20X+L	90	140	60	NSK	Thrust Ball Bearings
  CBK-349	45,618	82,931	25,4	FLT	Tapered Roller Bearings
  F-88230.1	25	35	16,2	INA	Needle Roller Bearings
  L623I49/L623110	114,3	152,4	21,433	Timken	Tapered Roller Bearings
  NA 6901	12	24	22	IKO	Needle Roller Bearings
  NA 6915UU	75	105	55	IKO	Needle Roller Bearings
  NN 3056 K/SPW33	280	420	106	SKF	Cylindrical Roller Bearings
  WJ-364216	57,15	66,675		Timken	Needle Roller Bearings
  SC571ZZNR	5	14	5	NTN	Deep Groove Ball Bearings
  TUP1 18.25	18	20		CX	Plain Bearings
  608	8	22	7	ADR	DEEP GROOVE BALL BEARINGS
  3205B.2RSR	25	52	20.6	FAG	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  6212VL0241	60	110	22	SKF	DEEP GROOVE BALL BEARINGS
  W619/6	6	15	5	SKF	DEEP GROOVE BALL BEARINGS