(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：2025-04-21
• Application:Reflective Materials Industrial fabrics,engineering machinery,comprehensive experiment,universal category,rehabilitation training equipment,Grinding and polishing equipment,powder metallurgy,tapered grinder,pneumatic,vertical sawing machine,pipe fittings Steel industry
• Similar models:NSK LM4530 INA NAO30X45X17 NTN K35×42×45ZW AST SCE45P INA K40X45X13 JNS RNAF354517 KOYO HK4512 NBS NKI45/35 NBS K37x45x26 FBJ K45X52X18
• 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
  305172B-1	180	280	92	KOYO	Angular Contact Ball Bearings
  AST090 30060	300	305		AST	Plain Bearings
  61913	65	90	13	NKE	Deep Groove Ball Bearings
  A6075/A6157B	19.05	39,992	11,153	Timken	Tapered Roller Bearings
  H414245/H414210	68.263	136.525	41.275	NACHI	Tapered Roller Bearings
  BXRE011	55	90	18	INA	Needle Roller Bearings
  K7x10x10TN	7	10		SKF	Needle Roller Bearings
  L-2112KK	12	21	5	NMB	Deep Groove Ball Bearings
  NANFL204-12	19,05			FYH	Bearing Units
  NF10/800	800	1150	155	ISO	Cylindrical Roller Bearings
  NJ 1068	340	520	82	ISB	Cylindrical Roller Bearings
  NK42/20-XL	42	52	20	INA	Needle Roller Bearings
  MM205K-CR	25	52	15	FAF	DEEP GROOVE BALL BEARINGS
  5403-C	17	62	30.16	MRC	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  F5M08ZZ	5	8	2.5	Nachi	DEEP GROOVE BALL BEARINGS
  GE750DO	750	1000	335	INA	SPHERICAL PLAIN BEARINGS
  RNA4828	175		35	Torrington	NEEDLE BEARINGS
  95SD23BRF4	95	200	67	Torrington (Old No.)	SPHERICAL ROLLER BEARINGS
  MR-62-ZZ	2	6	2.5	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  F-626-ZZ	6	19	6	CONSOLIDATED	DEEP GROOVE BALL BEARINGS