d - 20 mm

D - 37 mm

B - 17 mm

F - 25 mm

r_min - 0,3 mm

s - 0,8 mm / Axial displacement

m - 75,2 g / Weight

C_r - 23700 N / Dynamic load rating (radial)

C_0r - 25500 N / Static load rating (radial)

C_ur - 4600 N / Fatigue limit load, radial

n_G - 16900 1/min / Limiting speed

n_B - 9600 1/min / Reference speed

dimension series 49, to DIN 617/ISO 1206

• Model Number: NA4904
• Inner Diameter：20mm Outer Diameter：37mm Width：17mm
• Type：Needle Roller Bearings
• Update date：2025-04-23
• Application:Cutting Machine,boring bar boring bar,Special Equipment,Hydraulic Couplings,horizontal processing,flexible processing,equipment,EEG,Water Monitoring,joint protection,raw material accessories
• Similar models:KOYO NA4904 JNS RNA4904 MPZ RNA4904 KOYO RNA4904ARD INA NA4904-RSR NBS RNA4904 ISO RNA4904-2RS KOYO RNA4904.2RS SKF RNA4904RS IKO RNA4904
• BEARING POWER International Trading Co.,Ltd. specialize in NA4904 products，there is large inventory of INA NA4904 . We has been built up long-term cooperation with INA company, could make a bulk order of the NA4904 Which INA NA4904 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
  210085/210170G	85	170	106	Gamet	Tapered Roller Bearings
  2307S	35	80	31	NTN	Self-Aligning Ball Bearings
  438/432A	44,45	95,25	27,783	CX	Tapered Roller Bearings
  6820NR	100	125	13	NSK	Deep Groove Ball Bearings
  8509	45	85	24	SIGMA	Deep Groove Ball Bearings
  BLF202	15			FYH	Bearing Units
  K20x26x20	20	26		SKF	Needle Roller Bearings
  KLM08LL	8	15	17	NTN	Linear Bearings
  L305649/L305610D+L305649XC	50,8	80,962	42,865	Timken	Tapered Roller Bearings
  M88046/M88010	31.75	68,262	22,225	Fersa	Tapered Roller Bearings
  SF694-2RS	4	11	4	ZEN	Deep Groove Ball Bearings
  UCHA201-8	12,7		31	KOYO	Bearing Units
  UK217	85	150	46	CX	Deep Groove Ball Bearings
  FX1/4	.2500	.3750	.1250	ADR	DEEP GROOVE BALL BEARINGS
  BR-364828			1.7500	IKO	NEEDLE BEARINGS
  SAF622	3.9375			Torrington	PILLOW BLOCKS
  ML311	55	120	29	Rollway	CYLINDRICAL ROLLER BEARINGS
  479210-115	1.9375	3.5430	1.0236	CONSOLIDATED	PILLOW BLOCKS
  YCRSCR-52	1.0000	3.2500	1.8125	CONSOLIDATED	YOKE TYPE TRACK ROLLER
  T-98	9.8750	11.5000	1.0625	CONSOLIDATED	TAPERED ROLLER BEARINGS