(dimensions in mm)

Bearing Type - Single Row, Heavy Duty

Outer Dia (D) - 37.0000

Width (B) - 17.0000

Dynamic Load Rating (Cr) - 21,000

Static Load Rating (Cor) - 25,500

Max Speed (Oil) (X1000 RPM) - 17,000

Shaft (Fw) - 25.000

Weight (g) - 52.30

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: RNA4904
• Inner Diameter：25mm Outer Diameter：37mm Width：17mm
• Type：Needle Roller Bearings
• Update date：2025-12-10
• Application:Spectrum Products,pump,shaft milling machine,machining,wall materials,Oral Image,Low-voltage electrical equipment,laser devices,Flame Cutting,Cylinder Micro,construction machinery and equipment
• Similar models:CX RNA4904 NSK RNA4904TT NBS RNA49042RS ISO RNA4904 NSK RNA4904 NBS NA4904RS SKF RNA4904.2RS ISO RNA4904-2RS KOYO RNA4904RS NTN RNA4904L
• BEARING POWER International Trading Co.,Ltd. specialize in RNA4904 products，there is large inventory of AST RNA4904 . We has been built up long-term cooperation with AST company, could make a bulk order of the RNA4904 Which AST RNA4904 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
  1316 K	80	170	39	NSK	Self-Aligning Ball Bearings
  6008-Z	40	68	15	NKE	Deep Groove Ball Bearings
  6903DDU	17	30	7	NSK	Deep Groove Ball Bearings
  7311C	55	120	29	NTN	Angular Contact Ball Bearings
  BA 2410 Z	38,1	47,625	15,88	IKO	Needle Roller Bearings
  GE30-KRR-B-FA125.5	30	62	48,5	INA	Deep Groove Ball Bearings
  GE35ES-2RS	35	55		AST	Plain Bearings
  HJ-101816RS	15,875	28,575	25,4	KOYO	Needle Roller Bearings
  KT 758320	75	83		IKO	Needle Roller Bearings
  LUCF 20-2LS		20		SKF	Linear Bearings
  SQZ5-RS				LS	Plain Bearings
  UCP202-10	15,875		31	KOYO	Bearing Units
  UCFL209-28	1.7500			IPTCI	PILLOW BLOCKS
  NJ428	140	360	82	SKF	CYLINDRICAL ROLLER BEARINGS
  RNA4909RS	68		22	SKF	NEEDLE BEARINGS
  KB120XPO	12.0000	12.6250	.3125	KAYDON	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  NRT80	80	146	RTC80	SKF	AXIAL / RADIAL BEARING FOR ROTARY TABLE
  NHJ50	50	130	31	RHP	SELF
  511/600				CONSOLIDATED	THRUST BALL BEARINGS
  AT-754				CONSOLIDATED	THRUST ROLLER BEARING WITH SPHERICAL SEATING RING