(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：2025-12-16
• Application:metallurgy,Safety protection,Optical detection,Spectral Products,noise inspection,linear drive,security equipment,glass processing machine,animal anatomy,economic mold,power protection
• Similar models:NSK MFJ-4016 FBJ HK4016 NTN RNAO-50×65×40ZW ISO K40x44x13 NBS NA4840 Timken K35X40X19F,ZB2 JNS NK40/20 ISO KK55x60x40 JNS NAF254017 NSK NAFW456240
• 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
  23080-K-MB+AH3080G	400	600	148	FAG	Spherical Roller Bearings
  23134 CC/W33	280	170	88	SKF	Spherical Roller Bearings
  239/500 KCW33+AH39/500	500	670	128	ISO	Spherical Roller Bearings
  33213F	65	120	41	Fersa	Tapered Roller Bearings
  3581/3525	34,925	87,312	30,162	Timken	Tapered Roller Bearings
  61852-2RS	260	320	28	ZEN	Deep Groove Ball Bearings
  7214 BEGAP	125	70	24	SKF	Angular Contact Ball Bearings
  81606/81962	153,988	244,475	47,625	NSK	Cylindrical Roller Bearings
  LD5700ZZ	10	32	14,3	AST	Deep Groove Ball Bearings
  NCF2988 V	440	600	95	ISO	Cylindrical Roller Bearings
  NH413	65	160	37	CX	Cylindrical Roller Bearings
  NJ2340-E-M6	200	420	138	NKE	Cylindrical Roller Bearings
  NUP 310 ECM	110	50	27	SKF	Thrust Ball Bearings
  S6209	45	85	19	FAG	Deep Groove Ball Bearings
  UK328G2H	125,000	300,000	98	SNR	Deep Groove Ball Bearings
  RSL185015	75	4.2480	54	INA	CYLINDRICAL ROLLER BEARING
  LSL192324	120	260	86	INA	CYLINDRICAL ROLLER BEARING
  SAF634	6.0000			Torrington	PILLOW BLOCKS
  IR-8810448	5.5000		3.0150	Torrington	NEEDLE BEARINGS
  6208Z	40	80	18	SKF	DEEP GROOVE BALL BEARINGS