d - 40 mm

F - 45 mm

D - 55 mm

B - 20 mm

C - 20 mm

r min. - 0,3 mm

s - 0,5 mm

da min. - 42 mm

Da max. - 53 mm

ra max. - 0,3 mm

Weight - 0,143 Kg

Basic dynamic load rating (C) - 28 kN

Basic static load rating (C0) - 52,5 kN

(Grease) Lubrication Speed - 6 000 r/min

(Oil) Lubrication Speed - 9 000 r/min

• Model Number: NK45/20R+IR40×45×20
• Inner Diameter：40mm Outer Diameter：55mm Width：20mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:stamping die,teaching equipment,Vacuum generator,car,equipment,plastic rolling,other accessories,municipal machinery,electrocardiograph,magnetic elements,coal
• Similar models:KOYO R45/13 KOYO AR144585 NSK FWF-455017 KOYO K45X59X18H NSK HJ-445628+IR-354428 Timken K40X45X27TN Timken HJ-445624 ISO K45x50x17 NBS NK45/20 INA AXW45
• BEARING POWER International Trading Co.,Ltd. specialize in NK45/20R+IR40×45×20 products，there is large inventory of NTN NK45/20R+IR40×45×20 . We has been built up long-term cooperation with NTN company, could make a bulk order of the NK45/20R+IR40×45×20 Which NTN NK45/20R+IR40×45×20 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
  23148-B-K-MB+AH3148	240	400	128	FAG	Spherical Roller Bearings
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  32317	85	180	63,5	NKE	Tapered Roller Bearings
  461/453-B	42,85	107,95	29,317	Timken	Tapered Roller Bearings
  55200/55437	50,8	111,125	30,162	NSK	Tapered Roller Bearings
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  TGB12096.S41	25	133	54	SNR	Angular Contact Ball Bearings
  81118			9	FAG	THRUST ROLLER BEARINGS
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  F693	3	8	3	Nachi	DEEP GROOVE BALL BEARINGS
  STO35ZZ	35	72	25	Torrington	NEEDLE BEARINGS
  SN-219..6219	95	-	100	CONSOLIDATED	PILLOW BLOCKS
  98848	1.3750	2.3750	3.0000	CONSOLIDATED	JOURNAL ROLLER ASSEMBLIES
  71917TGP/4-2RS	85	120	18	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS