d - 25 mm

D - 42 mm

B - 17 mm

F - 30 mm

r_min - 0,3 mm

s - 0,8 mm / Axial displacement

m - 88 g / Weight

C_r - 26500 N / Dynamic load rating (radial)

C_0r - 31500 N / Static load rating (radial)

C_ur - 5700 N / Fatigue limit load, radial

n_G - 14400 1/min / Limiting speed

n_B - 7900 1/min / Reference speed

dimension series 49, to DIN 617/ISO 1206

• Model Number: NA4905
• Inner Diameter：25mm Outer Diameter：42mm Width：17mm
• Type：Needle Roller Bearings
• Update date：2025-04-23
• Application:rock drilling machinery,X-ray Equipment,light therapy instrument,electrostatic protection,manual Tools,wall materials,atomizer class,rolling mill roll neck and slowdown device,Other machinery,food / grain / food equipment,packing equipment
• Similar models:NBS NA4905 KOYO NA4905,2RS CX NA4905 IKO RNA4905UU ISO NA4905-2RS INA NA4905-RSR NBS NA4905RS ISO NA4905 IKO RNA4905U NSK NA4905
• BEARING POWER International Trading Co.,Ltd. specialize in NA4905 products，there is large inventory of INA NA4905 . We has been built up long-term cooperation with INA company, could make a bulk order of the NA4905 Which INA NA4905 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
  10BTM1412	10	14	12	KOYO	Needle Roller Bearings
  7808CDT	40	52	7	CYSD	Angular Contact Ball Bearings
  4T-HM259049/HM259010	317,5	447,675	85,725	NTN	Tapered Roller Bearings
  6312UU	60	130	31	KBC	Deep Groove Ball Bearings
  6808-2RS	40	52	7	CYSD	Deep Groove Ball Bearings
  750AR/742	82,55	150,089	44,45	KOYO	Tapered Roller Bearings
  81117	85	110	19	SIGMA	Thrust Roller Bearings
  AST40 6540	65	70		AST	Plain Bearings
  GBRI 487232 UU	76,2	114,3	51,05	IKO	Needle Roller Bearings
  K12X17X13SE	12	17		Timken	Needle Roller Bearings
  K15x21x15	15	21	15	CX	Needle Roller Bearings
  KZK 12x17x10	12	17		NBS	Needle Roller Bearings
  LUNE 40	40			SKF	Linear Bearings
  NU2064	320	480	95	CX	Cylindrical Roller Bearings
  NUP1022	110	170	28	NTN	Cylindrical Roller Bearings
  RTW621	63,5	107,95	33,325	INA	Thrust Roller Bearings
  SCE1012	15,875	20,638	19,05	INA	Needle Roller Bearings
  UCTU317-600	85		96	FYH	Bearing Units
  UKP306	25,4		50	KOYO	Bearing Units
  217HCUL	85	150	28	Barden	ANGULAR CONTACT BALL BEARINGS