(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：2025-12-12
• Application:Spectrum Products,industrial equipment,leather processing,chemical raw materials and reagents,industrial supplies,gas turbine,Control,Embroidery,Medium and large motor,directional control valve,joint protection
• Similar models:NTN NK145/42+IR130×145×42 NSK FWF-404517A IKO KT455527 NTN KV40.5X45.5X22.3 NSK RNAF354517 KOYO RS455020A Timken ARZ124566 FBJ K45X53X28 KOYO K45X53X28H IKO KT455320
• 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
  32310A	50	110	42,25	SNR	Tapered Roller Bearings
  47396	480	790	510	KOYO	Tapered Roller Bearings
  47686/47620A	82,55	133,35	33,338	CX	Tapered Roller Bearings
  53209	45	73	21,3	NSK	Thrust Ball Bearings
  6001	12	28	8	ISO	Deep Groove Ball Bearings
  6007	35	62	14	FAG	Deep Groove Ball Bearings
  7234	170	310	52	CYSD	Angular Contact Ball Bearings
  BK202812	20	28	12	CX	Cylindrical Roller Bearings
  BR 243320	38,1	52,388	31,75	IKO	Needle Roller Bearings
  NJ2320	100	215	73	FBJ	Cylindrical Roller Bearings
  KT 354525	35	45		IKO	Needle Roller Bearings
  LL365348/10	384,175	441,325	28,575	CX	Tapered Roller Bearings
  LT5.1/2	139,7	204,7875	28,575	RHP	Thrust Ball Bearings
  NAXR17.Z	17	31		Timken	Complex Bearings
  SL183015	75	115	30	INA	CYLINDRICAL ROLLER BEARINGS
  52407				SKF	THRUST BALL BEARINGS
  6324-R	120	260	55	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS
  7211BG	55	100	21	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS
  HK-2516-2RS	32		16	CONSOLIDATED	NEEDLE BEARINGS
  K-24x30x30../2	24	30	30../2	CONSOLIDATED	NEEDLE BEARINGS