(dimensions in mm)

Bearing Type - Single Row

Outer Dia (D) - 29.0000

Width (B) - 20.0000

Dynamic Load Rating (Cr) - 17,100

Static Load Rating (Cor) - 25,500

Max Speed (Oil) (X1000 RPM) - 20,000

Shaft (Fw) - 21.000

Weight (g) - 35.20

Material - 52100 Chrome steel, or equivalent

The bearing must be used with a hardened inner ring, or a hardened shaft.

Some sizes are available with either a single seal or two seals.

• Model Number:NK21/20
• Inner Diameter：21mm Outer Diameter：29mm Width：20mm
• Type：Needle Roller Bearings
• Update date：2023-03-10
• Application:equipment,Traffic Fire Protection Equipment Security equipment,Cylinder Pneumatic Treatment Element,printing equipment,labor insurance,Infrared Technology,supporting facilities,horizontal processing,switch,atomizer class,Antenna Industry
• Similar models:INA NCS1216 KOYO MK12161 Timken K45X50X21CH Timken NA2150 KOYO 21YM2720J KOYO RS303521A INA K17X21X17 NBS KBK16x21x19 SKF HK1210 FBJ K25X31X21
• BEARING POWER International Trading Co.,Ltd. specialize in NK21/20 products，there is large inventory of AST NK21/20 . We has been built up long-term cooperation with AST company, could make a bulk order of the NK21/20 Which AST 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
  15101/15245	25,4	62	19,05	Fersa	Tapered Roller Bearings
  460KBE131	460	760	214	NACHI	Tapered Roller Bearings
  4T-32004XDF	20	42	30	NTN	Tapered Roller Bearings
  53336	180	300	99,3	KOYO	Thrust Ball Bearings
  6011	55	90	18	ISO	Deep Groove Ball Bearings
  6019NR	95	145	24	NACHI	Deep Groove Ball Bearings
  68/850	850	1030	82	KOYO	Deep Groove Ball Bearings
  BK152314	15	23	14	CX	Cylindrical Roller Bearings
  CX508				CX	Wheel Bearings
  GE70-LO	70	105	70	INA	Plain Bearings
  LUCE 12		12		SKF	Linear Bearings
  NJG2315VH	75	160	55	SKF	Cylindrical Roller Bearings
  PCJTY5/8	15,875			INA	Bearing Units
  PCM 202325 M	20	23	25	SKF	Plain Bearings
  SAJK30C	30			LS	Plain Bearings
  UK311+H	50	120	59	SNR	Deep Groove Ball Bearings
  MM214K-CR	70	125	24	FAF	DEEP GROOVE BALL BEARINGS
  20220	100	180	34	New Departure	ANGULAR CONTACT BALL BEARINGS
  LR240				RIV	THRUST BALL BEARINGS WITH SPHERICAL SEATING RING
  MT-31/2				RHP	THRUST BALL BEARINGS