d - 40 mm

D - 55 mm

B - 17 mm

D_a - 50,5 mm

D_b - 45,6 mm

d_a - 44,5 mm

d_b - 49,2 mm

E - 50 mm

F - 45 mm

r_{a max} - 0,3 mm

r_min - 0,3 mm

s - 0,8 mm / Axial displacement

m - 127 g / Weight

C_r - 25500 N / Dynamic load rating (radial)

C_0r - 46000 N / Static load rating (radial)

C_ur - 7100 N / Fatigue limit load, radial

n_G - 10300 1/min / Limiting speed

n_B - 5900 1/min / Reference speed

without ribs

• Model Number: NAO40X55X17
• Inner Diameter：40mm Outer Diameter：55mm Width：17mm
• Type：Needle Roller Bearings
• Update date：2025-04-24
• Application:altimeter etc,Laser Measurements,spectrometer,medical equipment,Cylinder Type,sewage pump,Pneumatic Actuator,Seals,axle lathe,air shower etc,relay
• Similar models:KOYO RNAO55X72X40 KOYO HJ-405228RS KOYO K28X40X30H NTN K40X45X17 NSK RNAFW405540 NBS K35x40x27TN KOYO RNA3140 NBS K30x40x30 IKO GTRI405930 IKO NAF406220
• BEARING POWER International Trading Co.,Ltd. specialize in NAO40X55X17 products，there is large inventory of INA NAO40X55X17 . We has been built up long-term cooperation with INA company, could make a bulk order of the NAO40X55X17 Which INA NAO40X55X17 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
  23064 CCK/W33 + AOH 3064 G	480	300	121	SKF	Tapered Roller Bearings
  23134YM	170	280	88	Timken	Spherical Roller Bearings
  33287/33462DC+X3S-33287	73,025	117,475	66,675	Timken	Tapered Roller Bearings
  521760	30	72	28	FAG	Deep Groove Ball Bearings
  67884/67820	187,325	266,7	47,625	ISO	Tapered Roller Bearings
  7312BDF	60	130	31	NTN	Angular Contact Ball Bearings
  EE241701/242377CD+X2S-241701	431,8	603,25	159,639	Timken	Tapered Roller Bearings
  GX 100 S	100	198	51	ISB	Plain Bearings
  HX50 /S/NS 7CE3	50	80	16	SNFA	Angular Contact Ball Bearings
  K 40x45x27	40	45		NBS	Needle Roller Bearings
  K17X22X20	17	22	20	FBJ	Needle Roller Bearings
  NJ1028	140	210	33	CX	Cylindrical Roller Bearings
  NP2344	220	460	145	ISO	Cylindrical Roller Bearings
  NU 1024	120	180	28	ISB	Cylindrical Roller Bearings
  S8PP	19.05	41,275	7,92	Timken	Deep Groove Ball Bearings
  SF63800	10	19	7	ZEN	Deep Groove Ball Bearings
  UCT210	50			KOYO	Bearing Units
  W 605 R	14	5	5	SKF	Deep Groove Ball Bearings
  241/710	710	1150	438	Torrington	SPHERICAL ROLLER BEARINGS
  YEL209-110	1.6250	3.3465	.8661	SKF	PILLOW BLOCKS