(dimensions in mm)

Bearing Type - Single Row

Outer Dia (D) - 55.0000

Width (B) - 20.0000

Dynamic Load Rating (Cr) - 27,500

Static Load Rating (Cor) - 53,000

Max Speed (Oil) (X1000 RPM) - 10,000

Shaft (Fw) - 45.000

Weight (g) - 91.50

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: NK45/20
• Inner Diameter：45mm Outer Diameter：55mm Width：20mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:Hydraulic Press,ventilator anesthesia machine etc,Broadcasting System,ship special,PVC,gas turbine,mechanical annex,scientific instruments,Pump,Internal thread type,equipment
• Similar models:NTN ARX38X128X45 NSK RNAF354517 NBS NK45/30 NTN NK45X64X40D2 NTN KV45X51X24.3 NTN HMK4530 IKO TAW5045Z KOYO NAO45X72X40 KOYO NAO45X62X20 NSK FJLTT-4526
• BEARING POWER International Trading Co.,Ltd. specialize in NK45/20 products，there is large inventory of AST NK45/20 . We has been built up long-term cooperation with AST company, could make a bulk order of the NK45/20 Which AST NK45/20 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
  23030-E1A-M	150	225	56	FAG	Spherical Roller Bearings
  23076EK	380	560	135	NACHI	Cylindrical Roller Bearings
  31328XJ2/DF	140	300	154	SKF	Tapered Roller Bearings
  5202	15	35	15,875	AST	Angular Contact Ball Bearings
  61702-2Z	15	21	4	ZEN	Deep Groove Ball Bearings
  635/632-B	57,15	136,525	41,275	Timken	Tapered Roller Bearings
  688-2RS C3	8	16	5	PFI	Deep Groove Ball Bearings
  71915 CD/HCP4AH1	105	75	16	SKF	Angular Contact Ball Bearings
  NAO85X115X30	85	115		KOYO	Needle Roller Bearings
  NU 206 ECML	62	30	16	SKF	Thrust Ball Bearings
  NUP1092	460	680	100	NTN	Cylindrical Roller Bearings
  RS-5064	320	480	218	NSK	Cylindrical Roller Bearings
  TMB006U87	30	55	13	NTN	Deep Groove Ball Bearings
  VEX 95 /S 7CE3	95	145	24	SNFA	Angular Contact Ball Bearings
  X33217M/Y33217M	85	150	49	Timken	Tapered Roller Bearings
  6011NR	55	90	18	FAG	DEEP GROOVE BALL BEARINGS
  XLS-31/2	3.5000	5.0000	.7500	HOFF	DEEP GROOVE BALL BEARINGS
  LRJA31/2	3.5000	6.5000	1.1250	RHP	CYLINDRICAL ROLLER BEARINGS
  6009-2RS	45	75	16	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  NCF-2932V	160	220	36	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS