(dimensions in mm)

Bearing Type - Single Row

Outer Dia (D) - 57.0000

Width (B) - 20.0000

Dynamic Load Rating (Cr) - 28,500

Static Load Rating (Cor) - 56,000

Max Speed (Oil) (X1000 RPM) - 9,500

Shaft (Fw) - 47.000

Weight (g) - 94.50

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:NK47/20
• Inner Diameter：47mm Outer Diameter：57mm Width：20mm
• Type：Needle Roller Bearings
• Update date：2025-12-12
• Application:meat products machine,SPA equipment,chemical instruments,printing equipment,Plastic Equipment,Other machinery,blood cell reagent,air shower etc,Automobile,insect experimental analysis instrument,injection molding machine
• Similar models:KOYO BTM424709AJ Timken K47X52X15FH NTN GK47X52X24.8 INA 712147110 KOYO WJ-647216 NTN KJ40X47X28.8 NTN NK33.5X47X14 NSK RLM475720-1 NBS PNA25/47 SKF RNAO35x47x16
• BEARING POWER International Trading Co.,Ltd. specialize in NK47/20 products，there is large inventory of AST NK47/20 . We has been built up long-term cooperation with AST company, could make a bulk order of the NK47/20 Which AST NK47/20 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
  21320EX1	100	215	47	NACHI	Cylindrical Roller Bearings
  2208	40	80	23	CRAFT	Self-Aligning Ball Bearings
  230/950BK	950	1360	300	NTN	Spherical Roller Bearings
  54211	57	90	49,6	CX	Thrust Ball Bearings
  5S-2LA-HSE010ADG/GNP42	50	80	16	NTN	Angular Contact Ball Bearings
  62210-2RS	50	90	23	ISO	Deep Groove Ball Bearings
  7084A	420	620	90	NSK	Angular Contact Ball Bearings
  AST40 7580	75	80		AST	Plain Bearings
  GE 140 ECR-2RS	140	210	90	ISO	Plain Bearings
  M349549A/M349510	257,175	342,9	57,15	Timken	Tapered Roller Bearings
  NJ 310 ECPH	110	50	27	SKF	Thrust Ball Bearings
  NP947791/Y33210	50	90	32	Timken	Tapered Roller Bearings
  QJM 5E	127	254	50,8	SIGMA	Angular Contact Ball Bearings
  W 628-2RZ	24	8	8	SKF	Deep Groove Ball Bearings
  TWC2435	1.5000	2.1875		INA	THRUST NEEDLE BEARINGS
  NF420	100	250	58	STEYR	CYLINDRICAL ROLLER BEARINGS
  51126				STEYR	THRUST BALL BEARINGS
  3308	40	90	36.5	SKF	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  LER-127	5.9375		25.33	CONSOLIDATED	TRIPLE RING ALUMINUM SEALS FOR SAF TYPE PILLOW BLOCKS
  ZKLN4075-ZZ	40	75	34	CONSOLIDATED	ANGULAR CONTACT BALL SCREW SUPPORT BEARINGS