d - 55 mm

D - 80 mm

B - 25 mm

F - 63 mm

r_min - 1 mm

s - 1,5 mm / Axial displacement

m - 393 g / Weight

C_r - 65000 N / Dynamic load rating (radial)

C_0r - 100000 N / Static load rating (radial)

C_ur - 17300 N / Fatigue limit load, radial

n_G - 7200 1/min / Limiting speed

n_B - 4100 1/min / Reference speed

dimension series 49, to DIN 617/ISO 1206

• Model Number:NA4911
• Inner Diameter：55mm Outer Diameter：80mm Width：25mm
• Type：Needle Roller Bearings
• Update date：2025-12-27
• Application:Sensors,Other machinery,extruder,vertical processing,medical equipment,Machine tools,Spectral Products,Industry,circulating pump,surgical instruments,cooling system
• Similar models:Timken NA4911 AST RNA4911 NTN RNA4911R KOYO RNA4911 IKO RNA4911U NTN NA4911S JNS NA4911 IKO NA4911 CRAFT NA4911 ISO NA4911
• BEARING POWER International Trading Co.,Ltd. specialize in NA4911 products，there is large inventory of INA NA4911 . We has been built up long-term cooperation with INA company, could make a bulk order of the NA4911 Which INA NA4911 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
  23956W33	280	380	75	ISO	Spherical Roller Bearings
  32334	170	360	127	KOYO	Tapered Roller Bearings
  41126/41286	28,575	72,626	24,608	FBJ	Tapered Roller Bearings
  7004DF	20	42	12	NACHI	Angular Contact Ball Bearings
  7318 BDT	90	190	86	ISO	Angular Contact Ball Bearings
  ACS0304-2	15,3	35	10,4	KOYO	Angular Contact Ball Bearings
  ACT028DB	140	210		KOYO	Angular Contact Ball Bearings
  HK0712	7	11	12	CX	Cylindrical Roller Bearings
  M-12121	19,05	25,4	19,05	NSK	Needle Roller Bearings
  NNU6028	140	210	125	CX	Cylindrical Roller Bearings
  NR1.16.1754.400-1PPN	1646	1862	68	ISB	Thrust Roller Bearings
  R-2480KK	8	24	8	NMB	Deep Groove Ball Bearings
  S71922 CB/HCP4A	150	110	20	SKF	Angular Contact Ball Bearings
  SAL 16	16			ISO	Plain Bearings
  UCIP324	120		126	FYH	Bearing Units
  UCTX07	35			CX	Bearing Units
  YBH 810	12,7	19,05	15,88	IKO	Needle Roller Bearings
  5215A-2ZNR	75	130	41.3	SKF	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  SUCSP207MM	35			PTI	STAINLESS STEEL PILLOW BLOCKS
  513/530				CONSOLIDATED	THRUST BALL BEARINGS