Fw - 40 mm

D - 47 mm

C - 20 mm

r - 1 mm

C1 - 17,3 mm

Weight - 0,07 Kg

Basic dynamic load rating (C) - 25,1 kN

Basic static load rating (C0) - 50,4 kN

(Grease) Lubrication Speed - 5200 r/min

(Oil) Lubrication Speed - 7900 r/min

• Model Number: BK4020
• Inner Diameter：40mm Outer Diameter：47mm Width：20mm
• Type：Needle Roller Bearings
• Update date：2025-12-17
• Application:tray industry,quality inspection equipment,position switch,small appliances,Laser Devices,Broadcasting System,altimeter etc,hinge industry,medical equipment,hot and cold box,labor insurance
• Similar models:KOYO BTM4020 IKO TLAM4020 IKO TAM4020 ZEN BK4020 NSK MFJL-4020L NBS HN4020 KOYO 32YM4020P NSK FWJ-354020 KOYO MKM4020 KOYO HK4020
• BEARING POWER International Trading Co.,Ltd. specialize in BK4020 products，there is large inventory of Timken BK4020 . We has been built up long-term cooperation with Timken company, could make a bulk order of the BK4020 Which Timken BK4020 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
  29688/29620	73,817	112,712	25,4	Timken	Tapered Roller Bearings
  368/362A	50.800	88.900	20.638	NACHI	Tapered Roller Bearings
  6221-2RSR	105	190	36	NKE	Deep Groove Ball Bearings
  6328-ZZ	140	300	62	CYSD	Deep Groove Ball Bearings
  71930 CD/HCP4AH1	210	150	28	SKF	Angular Contact Ball Bearings
  ASR9-2A	14,2875	19,05	17,45	NMB	Spherical Roller Bearings
  AST50 44IB36	69,85			AST	Plain Bearings
  GEBJ22C	22	42		AST	Plain Bearings
  GEZ 108 ES	38,1	61,913	33,325	SIGMA	Plain Bearings
  HM542948/11	203,2	346,075	79,375	ISO	Tapered Roller Bearings
  KHH231649-HH231615	139,7	295,275	82,55	FAG	Tapered Roller Bearings
  NJ2212-E-MPA	60	110	28	NKE	Cylindrical Roller Bearings
  RRTY15	15			NKE	Bearing Units
  RNA4864	350	400	80	INA	Needle Roller Bearings
  RNA4910	58	72	22	NSK	Needle Roller Bearings
  TLA 2820 UU	28	35	20	IKO	Needle Roller Bearings
  NATA5914	70	100	40	IKO	NEEDLE BEARINGS
  638-2NSL	8	28	9	Nachi	DEEP GROOVE BALL BEARINGS
  NK22/20	30		20	INA	NEEDLE BEARINGS
  MFJ-2220	28		20	NSK	NEEDLE BEARINGS