d - 320 mm

F - 350 mm

D - 400 mm

B - 80 mm

C - 80 mm

r min. - 2,1 mm

s - 2 mm

da min. - 331 mm

Da max. - 389 mm

ra max. - 2 mm

Weight - 23,2 Kg

Basic dynamic load rating (C) - 640 kN

Basic static load rating (C0) - 1850 kN

(Grease) Lubrication Speed - 750 r/min

(Oil) Lubrication Speed - 1 100 r/min

• Model Number: NA4864
• Inner Diameter：320mm Outer Diameter：400mm Width：80mm
• Type：Needle Roller Bearings
• Update date：2025-12-17
• Application:medical Equipment,wall industry,dye pigments,heating fans,Workpiece,boring bar boring bar,cooling system,tapered grinder,Logistics Equipment,defogging and degreasing,powder metallurgy
• Similar models:INA RNA4864-XL ISO NA4864 ISO RNA4864 NBS RNA4864 IKO RNA4864 AST RNA4864 NBS NA4864 SKF RNA4864 CX NA4864 INA RNA4864
• BEARING POWER International Trading Co.,Ltd. specialize in NA4864 products，there is large inventory of NTN NA4864 . We has been built up long-term cooperation with NTN company, could make a bulk order of the NA4864 Which NTN NA4864 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
  100RJ02	100	165		Timken	Cylindrical Roller Bearings
  23264CAW33	320	580	208	AST	Spherical Roller Bearings
  5S-2LA-HSE914G/GNP42	70	100	16	NTN	Angular Contact Ball Bearings
  4T-JM736149/JM736110	180	250	47	NTN	Tapered Roller Bearings
  61826-2RZ	165	130	18	SKF	Deep Groove Ball Bearings
  624	4	13	5	ZEN	Deep Groove Ball Bearings
  6305LLH	25	62	17	NTN	Deep Groove Ball Bearings
  7312C	60	130	31	CYSD	Angular Contact Ball Bearings
  B2216	34,925	41,275	25,4	KOYO	Needle Roller Bearings
  CX481				CX	Wheel Bearings
  MF-4526	45	52	26	NSK	Needle Roller Bearings
  NH209 E	45	85	19	CX	Cylindrical Roller Bearings
  NH310	50	110	27	ISO	Cylindrical Roller Bearings
  SIZP9S	9,525		12,7	AST	Plain Bearings
  62/500	920	500	136	FAG	DEEP GROOVE BALL BEARINGS
  E1236B/U	180	320	52	Rollway	CYLINDRICAL ROLLER BEARINGS
  TSC208S1A	1.1250	3.4375	1.4375	FED	AGRICULTURAL BALL BEARINGS
  109TAD20	109	160	234721 M.SP	Nachi	ANGULAR CONTACT THRUST BALL BEARINGS
  208-MFG	40	80	18	MRC	DEEP GROOVE BALL BEARINGS
  NKIB-5905	25	42	23	CONSOLIDATED	NEEDLE BEARINGS