Fw - 21 mm

D - 29 mm

C - 20 mm

r min. - 0,3 mm

Da max. - 27 mm

Weight - 0,036 Kg

Basic dynamic load rating (C) - 18,2 kN

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

Limiting speed - 19000 r/min

• Model Number:NK21/20
• Inner Diameter：21mm Outer Diameter：29mm Width：20mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:SPA equipment,engineering machine,Pneumatic Actuator,joint protection,Seals,medical equipment,industry test,extruder,sewage pump,journal lathe,safety testing
• Similar models:KOYO MJ-18121 NBS K45x53x21 INA HK1212 NTN PK21.6X29.6X15.8 KOYO MKM121915 SKF NK21/20 KOYO 8MKM1210 NSK M-14121 NSK RLM2120 NSK M-10121
• BEARING POWER International Trading Co.,Ltd. specialize in NK21/20 products，there is large inventory of JNS NK21/20 . We has been built up long-term cooperation with JNS company, could make a bulk order of the NK21/20 Which JNS NK21/20 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
  22220	100	180	46	ISB	Spherical Roller Bearings
  3NC628HT4 GF	8	24	8	KOYO	Deep Groove Ball Bearings
  6302	15	42	13	CX	Deep Groove Ball Bearings
  634-2Z	4	16	5	FAG	Deep Groove Ball Bearings
  GE420DW	420	560	190	ISO	Plain Bearings
  NJ 324 ECM	260	120	55	SKF	Thrust Ball Bearings
  NJ110X215X73	110	215	73	ISO	Cylindrical Roller Bearings
  NNCL4928 V	140	190	50	ISO	Cylindrical Roller Bearings
  NU 2230 ECM	270	150	73	SKF	Thrust Ball Bearings
  S7011 CD/HCP4A	90	55	18	SKF	Angular Contact Ball Bearings
  UK210+H-27	42,8625	90	55	SNR	Deep Groove Ball Bearings
  UK317+H-47	74,6125	180	82	SNR	Deep Groove Ball Bearings
  B31	3.8437	2.3750		INA	THRUST BALL BEARINGS
  R560E	60	150	35	HOFF	CYLINDRICAL ROLLER BEARINGS
  95764	1.2500	1.8750	4.0000	BERLISS	JOURNAL ROLLER ASSEMBLIES
  UCF206-103T	1.1875			NTN	PILLOW BLOCKS
  7007CDHCP4A	35	62	14	SKF	ANGULAR CONTACT BALL BEARINGS
  6246M	420	230	68	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  SN-522..20222-K	100		120	CONSOLIDATED	PILLOW BLOCKS
  RPNA-15/28	28		12	CONSOLIDATED	SELF ALIGNING NEEDLE BEARINGS WITHOUT INNER RACE