(dimensions in mm)

Bearing Type - Single Row, Narrow

Outer Dia (D) - 250.0000

Width (B) - 50.0000

Dynamic Load Rating (Cr) - 230,000

Static Load Rating (Cor) - 720,000

Max Speed (Oil) (X1000 RPM) - 2,100

Shaft (Fw) - 220.000

Weight (g) - 33,501.00

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: RNA4840
• Inner Diameter：220mm Outer Diameter：250mm Width：50mm
• Type：Needle Roller Bearings
• Update date：2025-12-10
• Application:rolling mill roll neck and slowdown device,hydraulic cylinder buffer,bathroom facilities,tower crane,industrial supplies,Oral Image,molding machine,medical treatment,food / grain / food equipment,motor,flexible processing
• Similar models:INA RNA4840 SKF RNA4840 NTN RNA4840 NBS RNA4840 NSK RNA4840 SKF NA4840 NBS NA4840 INA RNA4840-XL AST RNA4840 NTN NA4840
• BEARING POWER International Trading Co.,Ltd. specialize in RNA4840 products，there is large inventory of AST RNA4840 . We has been built up long-term cooperation with AST company, could make a bulk order of the RNA4840 Which AST RNA4840 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
  17887/17831	45,22978	79,9846	19,84248	AST	Tapered Roller Bearings
  22238 CCK/W33 + H 3138	340	170	92	SKF	Tapered Roller Bearings
  240/750 EK30W33+AOH240/750	710	1090	335	ISB	Spherical Roller Bearings
  527S/522	44,983		36,068	KOYO	Tapered Roller Bearings
  61918 ZZ	90	125	18	CX	Deep Groove Ball Bearings
  7307	35	80	21	KOYO	Angular Contact Ball Bearings
  93TAD20	93	140	60	NACHI	Thrust Ball Bearings
  DAC42800342	42	80,03	42	ISO	Angular Contact Ball Bearings
  GAR 70 DO-2RS	70	105	49	INA	Plain Bearings
  GE260XF/Q	260	370	150	LS	Plain Bearings
  HR31309J	45	100	27,25	NSK	Tapered Roller Bearings
  J-1010	15,875	20,638	15,88	Timken	Needle Roller Bearings
  NF210	50	90	20	CYSD	Cylindrical Roller Bearings
  NJ2240	200	360	98	ISO	Cylindrical Roller Bearings
  W619/3-2Z	3	8	3	SKF	Deep Groove Ball Bearings
  100428	.6250	1.1250	1.7500	BAL	JOURNAL ROLLER ASSEMBLIES
  6203.2RSR	40	17	12	FAG	DEEP GROOVE BALL BEARINGS
  FL623ZZ	3	10	4	NTN	DEEP GROOVE BALL BEARINGS
  FPCC608	6.5000	7.2500	.3750	SKF	DEEP GROOVE BALL BEARINGS
  687-ZZ	7	14	5	CONSOLIDATED	DEEP GROOVE BALL BEARINGS