d - 40 mm

F - 45 mm

D - 55 mm

E - 50 mm

B - 17 mm

C - 17 mm

r min. - 0,3 mm

da min. - 42 mm

Da max. - 53 mm

db - 49,2 mm

ra max. - 0,3 mm

Db - 45,6 mm

Weight - 0,127 Kg

Basic dynamic load rating (C) - 22,3 kN

Basic static load rating (C0) - 44,5 kN

(Grease) Lubrication Speed - 6 000 r/min

(Oil) Lubrication Speed - 9 000 r/min

• Model Number: NAO-40×55×17
• Inner Diameter：40mm Outer Diameter：50mm Width：mm
• Type：Needle Roller Bearings
• Update date：2025-04-25
• Application:Flame Cutting,Industrial,lathe,plastic molding,gear type,Medical room equipment,Hydraulic Equipment,electric pump,Dental Drill etc,flow control valve,Low-voltage electrical equipment
• Similar models:KOYO NKJS40 ISO NA4940 KOYO K35X50X40F NTN MR10412840 ISO K32x40x25 AST HK4020 KOYO 40BM4720 ISO KK35x40x26 ISO KK35x40x32 KOYO RNA2240
• BEARING POWER International Trading Co.,Ltd. specialize in NAO-40×55×17 products，there is large inventory of NTN NAO-40×55×17 . We has been built up long-term cooperation with NTN company, could make a bulk order of the NAO-40×55×17 Which NTN NAO-40×55×17 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
  21309-E1-K + H309	40	100	25	FAG	Spherical Roller Bearings
  230/800RK	800	1150	258	KOYO	Spherical Roller Bearings
  3217	85,000	150,000	49,200	SNR	Angular Contact Ball Bearings
  358X/354X	45	85	20,638	Timken	Tapered Roller Bearings
  3918	90	155	50	NACHI	Thrust Ball Bearings
  D/W R4-2RS1	6,35	15,875	4,978	SKF	Deep Groove Ball Bearings
  GEH 20 TXE-2LS	42	20	25	SKF	Plain Bearings
  LBBR 6A-2LS	6	12	22	SKF	Linear Bearings
  NF244	220	400	65	ISO	Cylindrical Roller Bearings
  RNA 4822	120	140	30	JNS	Needle Roller Bearings
  UCC320-64	101,6		108	FYH	Bearing Units
  MS20AC	3.5000	8.1250	1.7500	FAG	ANGULAR CONTACT BALL BEARINGS
  21808-00	.5000	1.1250	.3750	General	DEEP GROOVE BALL BEARINGS
  NJ2211	55	100	25	SKF	CYLINDRICAL ROLLER BEARINGS
  4401	.5000	1.4375		Andrews	THRUST BALL BEARINGS
  52215				STEYR	THRUST BALL BEARINGS
  6315NR	75	160	37	STEYR	DEEP GROOVE BALL BEARINGS
  61936M	180	250	33	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  16076M	380	560	57	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  MS-12-ZZ	1.2500	3.1250	.8750	CONSOLIDATED	DEEP GROOVE BALL BEARINGS