F_w - 40 mm

D - 47 mm

C - 20 mm / Tolerance: -0,3

C_{t min} - 17,3 mm

r_min - 0,8 mm

m - 62 g / Weight

C_r - 25500 N / Dynamic load rating (radial)

C_0r - 52000 N / Static load rating (radial)

C_ur - 6800 N / Fatigue limit load, radial

n_G - 6600 1/min / Limiting speed

n_B - 4750 1/min / Reference speed

- LR35X40X20,5 / Suitable inner ring

- IR35X40X20,5 / Suitable inner ring

DIN 618-1/ISO 3245

• Model Number: BK4020
• Inner Diameter：40mm Outer Diameter：47mm Width：20mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:Cylinder Special,chemical raw materials and reagents,linear drive,office outdoor camping equipment,orthodontic material,diving equipment,multi-knife lathe,medical equipment,universal category,disposable,plant determination
• Similar models:IKO TAM4020 NBS BK4020 NSK FWF-324020 NTN HK4020 NSK RLM4020 AST HK4020 IKO TA4020Z FBJ HK4020 NTN HMK4020 KOYO BK4020
• BEARING POWER International Trading Co.,Ltd. specialize in BK4020 products，there is large inventory of INA BK4020 . We has been built up long-term cooperation with INA company, could make a bulk order of the BK4020 Which INA 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
  24092 CW33	460	680	218	CX	Spherical Roller Bearings
  280KBE130	280	420	94	NACHI	Tapered Roller Bearings
  54234X	170	240	104,4	NSK	Thrust Ball Bearings
  6200ZENR	10	30	9	NACHI	Deep Groove Ball Bearings
  A 5226 WB	130	230	79,375	SIGMA	Cylindrical Roller Bearings
  BSU4072BDFF	40	84		KOYO	Thrust Ball Bearings
  K9X12X13FH	9	12		Timken	Needle Roller Bearings
  NF3856	280	350	52	CX	Cylindrical Roller Bearings
  NJ2220-E-TVP3+HJ2220-E	100	180	46	NKE	Cylindrical Roller Bearings
  NK30/20	30	40	20	JNS	Needle Roller Bearings
  RLM435330-1	43	53	30	NSK	Needle Roller Bearings
  RNA 4903	22	30	13	IKO	Needle Roller Bearings
  SIA50TXE-2LS	50			SKF	Plain Bearings
  SQDL5				LS	Plain Bearings
  MF72ZZS	2	7	3	ISC	DEEP GROOVE BALL BEARINGS
  NU1909E	45	68	12	SKF	CYLINDRICAL ROLLER BEARINGS
  HCB71915C.T.P4S	75	105	16	FAG	ANGULAR CONTACT BALL BEARINGS
  F2M07	2	7	2.5	Nachi	DEEP GROOVE BALL BEARINGS
  NJ232E	160	290	48	SKF	CYLINDRICAL ROLLER BEARINGS
  NU334	170	360	72	SKF	CYLINDRICAL ROLLER BEARINGS