F_w - 21 mm

D - 29 mm

C - 20 mm

r_min - 0,3 mm

m - 35,2 g / Weight

C_r - 19300 N / Dynamic load rating (radial)

C_0r - 25500 N / Static load rating (radial)

C_ur - 4450 N / Fatigue limit load, radial

n_G - 20600 1/min / Limiting speed

n_B - 11100 1/min / Reference speed

light series

• Model Number: NK21/20
• Inner Diameter：21mm Outer Diameter：29mm Width：20mm
• Type：Needle Roller Bearings
• Update date：2025-04-20
• Application:air shower etc,mechanical and electrical,Polymer,comprehensive experiment,fabric products,Industrial,Logistics Equipment,altimeter etc,Medical room equipment,steam Hydraulic control element,experimental equipment
• Similar models:NBS BK1210 FBJ HK2212 KOYO MJ-12121 IKO GBRI102216U KOYO WJ-162112 Timken RNA2110 PFI F212285.2 NTN GK42X47X21.8 CRAFT HK1210 FBJ K17X21X13
• BEARING POWER International Trading Co.,Ltd. specialize in NK21/20 products，there is large inventory of INA NK21/20 . We has been built up long-term cooperation with INA company, could make a bulk order of the NK21/20 Which INA 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
  22226RHRK	130	230	64	KOYO	Spherical Roller Bearings
  22309	45	100	36	FBJ	Spherical Roller Bearings
  33005JR	25	47	17	KOYO	Tapered Roller Bearings
  399A/394A	68,262	110	22	Fersa	Tapered Roller Bearings
  51216	80,000	115,000	28,000	NTN-SNR	Thrust Ball Bearings
  54416U	65	170	128.4	KOYO	Thrust Ball Bearings
  89424 M	250	120	78	SKF	Thrust Roller Bearings
  CRD-7401	370	630	240	NTN	Tapered Roller Bearings
  DC4988VW	440	600	160	KOYO	Cylindrical Roller Bearings
  F-1514	15	21	14	NSK	Needle Roller Bearings
  GE 045 HCR-2RS	45	75	43	ISO	Plain Bearings
  N 307 ECP	80	35	21	SKF	Cylindrical Roller Bearings
  NJ226 EMA	130	230	40	AST	Cylindrical Roller Bearings
  VKBA 6540				SKF	Wheel Bearings
  NUP2264	320	580	150	FAG	CYLINDRICAL ROLLER BEARINGS
  WC488026	26	52	.6250	New Departure	DEEP GROOVE BALL BEARINGS
  TWC1625	1.0000	1.5625		INA	THRUST NEEDLE BEARINGS
  130TAD20	130	200	234426 M.SP	Nachi	ANGULAR CONTACT THRUST BALL BEARINGS
  1207E/TG	35	72	17	STEYR	SELF
  WC8505	25	52	.6250	CONSOLIDATED	DEEP GROOVE BALL BEARINGS