(dimensions in mm)

Bearing Type - Single Row

Outer Dia (D) - 53.0000

Width (B) - 20.0000

Dynamic Load Rating (Cr) - 27,000

Static Load Rating (Cor) - 51,000

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

Shaft (Fw) - 43.000

Weight (g) - 86.00

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: NK43/20
• Inner Diameter：43mm Outer Diameter：53mm Width：20mm
• Type：Needle Roller Bearings
• Update date：2025-12-11
• Application:aerial work equipment,Optical detection,pipe fittings Steel industry,flow control valve,sterilizers,rock drilling machinery,noise inspection,rolling mill roll neck and slowdown device,food safety,cooling system,Digital Generator
• Similar models:INA C243016 KOYO RP384436A NSK FWF-243017 NTN K43X48X29.8 NTN GK43X49X23.8 INA NKS43-XL KOYO BTM243013J NSK HJ-243320+IR-192420 NTN AKJ28X43X2 NSK FWF-13514338
• BEARING POWER International Trading Co.,Ltd. specialize in NK43/20 products，there is large inventory of AST NK43/20 . We has been built up long-term cooperation with AST company, could make a bulk order of the NK43/20 Which AST NK43/20 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
  1204	20	47	14	SIGMA	Self-Aligning Ball Bearings
  22317EF800	85,000	180,000	60,000	SNR	Thrust Roller Bearings
  30332	160	340	75	NTN	Tapered Roller Bearings
  511/560-MP	560	670	85	FAG	Thrust Ball Bearings
  7002 CDF	15	32	18	ISO	Angular Contact Ball Bearings
  7240	200	360	58	KOYO	Angular Contact Ball Bearings
  AR 24 120 210	120	210	24	Timken	Needle Roller Bearings
  K25X30X13	25	30		KOYO	Needle Roller Bearings
  NP218242/NP610846	50	82	21,5	Timken	Tapered Roller Bearings
  NU 407	35	83		NSK	Cylindrical Roller Bearings
  PCJ323816	50.800	60.325		NTN	Needle Roller Bearings
  TU0902-2/L260	43	73	43	NTN	Tapered Roller Bearings
  UCFL324	120			SNR	Bearing Units
  NU2968E	340	460	72	FAG	CYLINDRICAL ROLLER BEARINGS
  NJ230E	150	270	45	FAG	CYLINDRICAL ROLLER BEARINGS
  HYDNUT950			100	FAG	HYDRAULIC NUTS
  SAF034	5.9375			Torrington	PILLOW BLOCKS
  6310NR	50	110	27	STEYR	DEEP GROOVE BALL BEARINGS
  81244			26.0	CONSOLIDATED	THRUST ROLLER BEARINGS
  SS6205-ZZ	25	52	15	CONSOLIDATED	DEEP GROOVE BALL BEARINGS