(dimensions in mm)

Bearing Type - Single Row

Outer Dia (D) - 50.0000

Width (B) - 30.0000

Dynamic Load Rating (Cr) - 39,000

Static Load Rating (Cor) - 79,000

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

Shaft (Fw) - 40.000

Weight (g) - 125.00

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:NK40/30
• Inner Diameter：40mm Outer Diameter：50mm Width：30mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:shoe-making machinery,pump accessories,Medical room equipment,Embroidery,joint protection,position switch,office outdoor camping equipment,Ball screw,PVC,test laboratory equipment and accessories,horizontal processing
• Similar models:NBS K60x66x40-ZW IKO TAM6040 KOYO BK4020 NSK FJL-4015L NSK FWF-354027 Timken DLF4020 NTN HMK5040ZWD KOYO RF406032A NSK HJ-14817848+IR-12814048 NTN K35×40×26ZW
• BEARING POWER International Trading Co.,Ltd. specialize in NK40/30 products，there is large inventory of AST NK40/30 . We has been built up long-term cooperation with AST company, could make a bulk order of the NK40/30 Which AST NK40/30 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
  15101/15250	25,4	63,5	20,638	Fersa	Tapered Roller Bearings
  31324JR	120	260	68	KOYO	Tapered Roller Bearings
  6216/C3VL0241	140	80	26	SKF	Deep Groove Ball Bearings
  7308BDT	40	90	23	NTN	Angular Contact Ball Bearings
  81112	60,000	85,000	17,000	NTN	Thrust Ball Bearings
  BC1B322011C3	40	90	23	SKF	Cylindrical Roller Bearings
  GE12-AW	12	35	9,3	INA	Plain Bearings
  C4040V	200	310	109	SKF	Cylindrical Roller Bearings
  ESA 20 0844	772	950,1		SIGMA	Thrust Ball Bearings
  GEF35ES	35	55		AST	Plain Bearings
  GEG120XT-2RS	120	210	115	LS	Plain Bearings
  HM212049/10	66,675	122,238	38,1	PFI	Tapered Roller Bearings
  HTA011DB	55	90	16,5	NTN	Angular Contact Ball Bearings
  NU316 E	80	170	39	CX	Cylindrical Roller Bearings
  R4	6,35	15,875	4,978	ISB	Deep Groove Ball Bearings
  S608W6	8	22	6	ZEN	Deep Groove Ball Bearings
  SAR1-60SS	60	90	44	NTN	Plain Bearings
  SB207	35	72	32	ISO	Deep Groove Ball Bearings
  FT-40	2.9375	4.5937		CONSOLIDATED	THRUST BALL BEARINGS
  71968TGP/4	340	460	56	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS