d - 21 mm

D - 29 mm

C - 20 mm

r - 0,3 mm

Weight - 0,04 Kg

Basic dynamic load rating (C) - 18,1 kN

Basic static load rating (C0) - 26,9 kN

(Grease) Lubrication Speed - 21000 r/min

(Oil) Lubrication Speed - 14000 r/min

• Model Number:NK21/20
• Inner Diameter：21mm Outer Diameter：29mm Width：20mm
• Type：Needle Roller Bearings
• Update date：2025-12-10
• Application:stirrer,ignition system,Industrial Electromechanical,gas turbine,electrocardiograph,Industrial,crimping tools,oral medical device,education model Instruments,Display Devices,Pneumatic Control Elements
• Similar models:NBS K15x21x12 NTN PK15X21X11.8 KOYO NA2115 Timken M-16121 INA SCE3210 KOYO K25X31X21H NTN K15×21×15 INA SCE1212-PP INA HK2218-RS NSK FWF-172116
• BEARING POWER International Trading Co.,Ltd. specialize in NK21/20 products，there is large inventory of Timken NK21/20 . We has been built up long-term cooperation with Timken company, could make a bulk order of the NK21/20 Which Timken 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
  23BC05S4	23	56	15	NACHI	Deep Groove Ball Bearings
  AST650 81215	8	12		AST	Plain Bearings
  60/32Z	32	58	13	KOYO	Deep Groove Ball Bearings
  6019	95	145	24	AST	Deep Groove Ball Bearings
  6040	310	200	51	SKF	Deep Groove Ball Bearings
  6207GSPC4	35	72	18	KOYO	Deep Groove Ball Bearings
  6217-2RS	85	150	28	Fersa	Deep Groove Ball Bearings
  69/530	530	710	82	NSK	Deep Groove Ball Bearings
  BXRE200	10	30	9	INA	Needle Roller Bearings
  GE30ES-2RS	30	47	22	CRAFT	Plain Bearings
  HM212044/HM212010	60.325	122.238	38.100	NACHI	Tapered Roller Bearings
  LBBR 40-2LS/HV6	40	52	60	SKF	Linear Bearings
  M6311	55	120	29	KOYO	Deep Groove Ball Bearings
  QJ314-MPA	70	150	35	NKE	Angular Contact Ball Bearings
  TLAM59	9		9	IKO	NEEDLE BEARINGS
  NU4901	12	24	13	FAG (Old No.)	NEEDLE BEARINGS
  R-12FF-ST	.7500	1.6250	.4375	MRC	DEEP GROOVE BALL BEARINGS
  NBA3804	1.5000	1.8750	.1875	NSK	ANGULAR CONTACT BALL BEARINGS
  HK-0408	8		8	CONSOLIDATED	NEEDLE BEARINGS
  ER-43	4.9213	2.6875	1.3750	CONSOLIDATED	BALL BEARING