d - 17 mm

F - 21 mm

D - 29 mm

B - 20 mm

C - 20 mm

r min. - 0,3 mm

s - 0,5 mm

da min. - 19 mm

Da max. - 27 mm

ra max. - 0,3 mm

Weight - 0,053 Kg

Basic dynamic load rating (C) - 18,3 kN

Basic static load rating (C0) - 27,1 kN

(Grease) Lubrication Speed - 13 000 r/min

(Oil) Lubrication Speed - 19 000 r/min

• Model Number:NK21/20R+IR17×21×20
• Inner Diameter：17mm Outer Diameter：29mm Width：20mm
• Type：Needle Roller Bearings
• Update date：2023-03-04
• Application:sawing machine,dynamic blood pressure,electromyography machine,ventilation heating equipment,Reflective Materials Industrial fabrics,cleaning agent,test equipment,hydraulic pressure gauge,key lock,diving equipment,directional control valve
• Similar models:FBJ HK1210 NBS HN1210 NSK LM152212 AST SCE3210 Timken MH-20121 KOYO NA2160 NTN DCL1212 NTN K95×102×21 KOYO RF212923A NBS HK22162RS
• BEARING POWER International Trading Co.,Ltd. specialize in NK21/20R+IR17×21×20 products，there is large inventory of NTN NK21/20R+IR17×21×20 . We has been built up long-term cooperation with NTN company, could make a bulk order of the NK21/20R+IR17×21×20 Which NTN NK21/20R+IR17×21×20 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
  190RU92	190	312		Timken	Cylindrical Roller Bearings
  210RU91	210	318		Timken	Cylindrical Roller Bearings
  713649330				FAG	Wheel Bearings
  71914 CTBP4	70	100	16	CX	Angular Contact Ball Bearings
  71924 ACE/P4A	165	120	22	SKF	Angular Contact Ball Bearings
  7300BDT	10	35	11	NTN	Angular Contact Ball Bearings
  783/773D+X3S-783	100	180	104,775	Timken	Tapered Roller Bearings
  AST50 44IB32	69,85			AST	Plain Bearings
  E8	8	24	7	ISO	Deep Groove Ball Bearings
  EXFLZ204	20			SNR	Bearing Units
  NAO15X28X13	15	28	13	KOYO	Needle Roller Bearings
  NNU4930K	150	210	60	CX	Cylindrical Roller Bearings
  NU2313 ET	65	140	48	NSK	Cylindrical Roller Bearings
  NUP 2204	20	47	18	NACHI	Cylindrical Roller Bearings
  SUC206	30	62	38,1	ZEN	Deep Groove Ball Bearings
  TAF 556825	55	68	25	IKO	Needle Roller Bearings
  UCPX08	40			ISO	Bearing Units
  NU2248	240	440	120	SKF	CYLINDRICAL ROLLER BEARINGS
  94616	1.1250	1.6250	1.0000	RBC	JOURNAL ROLLER ASSEMBLIES
  CRSBR-52	1.2500	3.2500	1.7500	CONSOLIDATED	ROLLER CAM FOLLOWERS