Fw - 40 mm

D - 47 mm

C - 12 mm

Weight - 0,0377 Kg

Basic dynamic load rating (C) - 11,5 kN

Basic static load rating (C0) - 21,2 kN

(Grease) Lubrication Speed - 4500 r/min

(Oil) Lubrication Speed - 6300 r/min

• Model Number:BK4012
• Inner Diameter：40mm Outer Diameter：47mm Width：12mm
• Type：Cylindrical Roller Bearings
• Update date：2026-01-13
• Application:Gear grinding machine,altimeter etc,hydraulic pump,wire industry,Display Devices,walking Food processing machinery and equipment,internal combustion engine,Vacuum generator,printing machinery,Plastic molding,instrument
• Similar models:ISB FC2640125 ISO HK4012 SKF HK4012 ISO BK4012 CX HK4012 CX BK4012
• BEARING POWER International Trading Co.,Ltd. specialize in BK4012 products，there is large inventory of CX BK4012 . We has been built up long-term cooperation with CX company, could make a bulk order of the BK4012 Which CX BK4012 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
  170RIT664	431,8	597		Timken	Cylindrical Roller Bearings
  240/600-K30-MB-W33	600	870	272	NKE	Spherical Roller Bearings
  30244	220	400	72	NKE	Tapered Roller Bearings
  32919X	95	130	23	NTN	Tapered Roller Bearings
  54311U+U311	57			ISO	Thrust Ball Bearings
  54420U	80	210	160	KOYO	Thrust Ball Bearings
  6017	85,000	130,000	22,000	NTN-SNR	Deep Groove Ball Bearings
  6314-2RS	70	150	35	CRAFT	Deep Groove Ball Bearings
  6918-2RD	90	125	18	KOYO	Deep Groove Ball Bearings
  7238DB	190	340	55	NTN	Angular Contact Ball Bearings
  K14X19X17	14	19	17	CX	Needle Roller Bearings
  RNA2170	193,8	220	42	KOYO	Needle Roller Bearings
  NA4901	12	24	13	ISO	Needle Roller Bearings
  RASEY2-3/16	55,563			INA	Bearing Units
  RCJO90	90			INA	Bearing Units
  UCFC210-32	50,8			KOYO	Bearing Units
  XLJ4.1/4	107,95	152,4	22,225	RHP	Deep Groove Ball Bearings
  2279	3.2500	4.4990		Andrews	THRUST BALL BEARINGS
  R317P	17	47	14	HOFF	CYLINDRICAL ROLLER BEARINGS
  5213A-2RS1	65	120	38.1	SKF	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS