(dimensions in mm)

Bearing Type - Single Row

Outer Dia (D) - 50.0000

Width (B) - 20.0000

Dynamic Load Rating (Cr) - 26,000

Static Load Rating (Cor) - 47,000

Max Speed (Oil) (X1000 RPM) - 11,000

Shaft (Fw) - 40.000

Weight (g) - 82.70

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: NK40/20
• Inner Diameter：40mm Outer Diameter：50mm Width：20mm
• Type：Needle Roller Bearings
• Update date：2025-12-12
• Application:Processing machinery,Technical Equipment,plant determination,molding machine,hydraulic cylinder,Hair styling device,surgical instruments,Logistics Equipment,boring bar boring bar,Special Equipment,Plastic Equipment
• Similar models:NTN RNA0-55X72X40ZW NTN ARXJ40X62X4 NTN HK4016D NTN MR729640+MI-607240 ISO KK22x27x40 Timken RNA3040 NSK WJ-344024 NSK HJ-405228+IR-314028 NTN K40×48×20 KOYO HK4016
• BEARING POWER International Trading Co.,Ltd. specialize in NK40/20 products，there is large inventory of AST NK40/20 . We has been built up long-term cooperation with AST company, could make a bulk order of the NK40/20 Which AST NK40/20 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
  23232E	160	290	104	NACHI	Cylindrical Roller Bearings
  6011	55	90	18	CYSD	Deep Groove Ball Bearings
  6202HT200ZZ	15,000	35,000	11,000	SNR	Deep Groove Ball Bearings
  6210N	50	90	20	NACHI	Deep Groove Ball Bearings
  KZK 18x24x12	18	24		INA	Needle Roller Bearings
  MJT4.1/4	107,95	222,25	44,45	RHP	Angular Contact Ball Bearings
  NKI5/16TN	5	15	16	SKF	Needle Roller Bearings
  NKIS 45	45	72	22	NBS	Needle Roller Bearings
  NU1956	280,000	380,000	46,000	NTN	Cylindrical Roller Bearings
  NUP224	120	215	40	AST	Cylindrical Roller Bearings
  RNAO10X17X10-TV	10	17	10	INA	Needle Roller Bearings
  RSL183006-A	30	49,6	19	INA	Cylindrical Roller Bearings
  STO 45 X	45	85	19,8	SKF	Cylindrical Roller Bearings
  MUC130	150	235	38	Rollway	CYLINDRICAL ROLLER BEARINGS
  106-KSZ	30	55	13	MRC	DEEP GROOVE BALL BEARINGS
  LRJ-20	20	47	14	RHP	CYLINDRICAL ROLLER BEARINGS
  6215	130	75	25	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  NAO-30x47x16	30	47	16	CONSOLIDATED	NEEDLE BEARINGS
  AT-732				CONSOLIDATED	THRUST ROLLER BEARING WITH SPHERICAL SEATING RING
  KG-40ARO	4.0000	6.0000	1.0000	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS