d - 38,1 mm

D - 79,375 mm

T - 29,37 mm

B - 29,771 mm

C - 23,812 mm

a - 20,8 mm

r min. - 3,6 mm

r2 min. - 3,2 mm

da min. - 52 mm

Da - 67 mm

db min - 45,9 mm

ra max. - 3,6 mm

rb max. - 3,2 mm

Db - 74 mm

Weight - 0,675 Kg

Basic dynamic load rating (C) - 87,4 kN

Basic static load rating (C0) - 105 kN

(Grease) Lubrication Speed - 5200 r/min

(Oil) Lubrication Speed - 6900 r/min

Calculation factor (e) - 0,37

Calculation factor (Y0) - 0,9

Calculation factor (Y1) - 1,64

• Model Number: 3490/3420
• Inner Diameter：38,1mm Outer Diameter：79,375mm Width：29,37mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:sawing machine,wheel lathe,printing machinery,food packaging,plastic molding,quality inspection equipment,security equipment,fruit and vegetable processing,milling head plug,Laser Devices,natural instruments
• Similar models:KOYO 3490/3420 Fersa 3490/3420 NACHI 3490/3420 FBJ 3490/3420 ISO 3490/3420 Timken 3490/3423D+X1S-3490 NTN 4T-3490/3420 Timken 3490/3420B NSK 3490/3420 Timken 3490/3420
• BEARING POWER International Trading Co.,Ltd. specialize in 3490/3420 products，there is large inventory of KOYO 3490/3420 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 3490/3420 Which KOYO 3490/3420 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
  1313K	65	140	33	ISO	Self-Aligning Ball Bearings
  20211 K	55	100	21	ISO	Spherical Roller Bearings
  23244MB	220	400	144	PSL	Spherical Roller Bearings
  33112F	60	100	30	Fersa	Tapered Roller Bearings
  4T-30206	30	62	17,25	NTN	Tapered Roller Bearings
  51405	25	60	24	FAG	Thrust Ball Bearings
  7328BDF	140	300	62	NACHI	Angular Contact Ball Bearings
  FWF-404834	40	48		NSK	Needle Roller Bearings
  GE 008 HCR	8	19	11	ISO	Plain Bearings
  GEC320HC	320	440		AST	Plain Bearings
  NJ2032	160	240	48	CX	Cylindrical Roller Bearings
  NN3060	300	418	118	NTN	Cylindrical Roller Bearings
  PHU3157	26,8	142	72	PFI	Angular Contact Ball Bearings
  SBPFL205-16	23,8125		27	FYH	Bearing Units
  TAFI 385330	38	53	30	IKO	Needle Roller Bearings
  88507	35	72	.6692	New Departure	DEEP GROOVE BALL BEARINGS
  NN3052ASK.M.SP	260	400	104	FAG	CYLINDRICAL ROLLER BEARINGS
  B-37	2.7500	4.4687		Aetna	THRUST BALL BEARINGS
  62820	100	125	16	ELGES	DEEP GROOVE BALL BEARINGS
  NU-1956E	280	380	46	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS