d - 76,2 mm

D - 121,442 mm

T - 24,608 mm

B - 23,012 mm

C - 17,462 mm

ra1 max. - 2 mm

a - -1,2 mm

Da - 110 mm

db - 83 mm

ra max. - 3,5 mm

da - 89 mm

Db - 116 mm

Weight - 0,977 Kg

Basic dynamic load rating (C) - 91 kN

Basic static load rating (C0) - 127 kN

(Grease) Lubrication Speed - 2 900 r/min

(Oil) Lubrication Speed - 3 800 r/min

Calculation factor (e) - 0,45

Calculation factor (Y0) - 0,73

Calculation factor (Y2) - 1,33

• Model Number:4T-34301/34478
• Inner Diameter：76,2mm Outer Diameter：121,442mm Width：24,608mm
• Type：Tapered Roller Bearings
• Update date：2025-12-12
• Application:Forging machine,Polymer,top industry,Control,raw material accessories,set bacteria instrument,boring bar boring bar,security equipment,gear type,hardware,Special Equipment
• Similar models:Fersa 34301/34500 Timken 34301/34478D+X2S-34301 Timken 34301/34478 CX 34301/34478 NTN 4T-34301/34500 Timken 34301/34481-B FBJ 34301/34478 KOYO 34301/34478 ISO 34301/34478 NTN 4T-34301/34478
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-34301/34478 products，there is large inventory of NTN 4T-34301/34478 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-34301/34478 Which NTN 4T-34301/34478 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
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  HJ-9211648	146,05	184,15	76,2	KOYO	Needle Roller Bearings
  KDA075	190,5	215,9	12,7	KOYO	Angular Contact Ball Bearings
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  NAF 72012	7	20	12	JNS	Needle Roller Bearings
  NKIB5905	25	42	25	INA	Complex Bearings
  NU5214	70	125	39,69	CX	Cylindrical Roller Bearings
  SA207-20F	30,1625	72	25,4	KOYO	Deep Groove Ball Bearings
  206PP	62	30	16	FAF	DEEP GROOVE BALL BEARINGS
  NUP420	100	250	58	FAG	CYLINDRICAL ROLLER BEARINGS
  MUCFL205-16	1.0000			AMI	STAINLESS STEEL PILLOW BLOCKS
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  LRJA13E	13.0000	20.0000	2.7500	RHP	CYLINDRICAL ROLLER BEARINGS
  R2A	.1250	.5000	.1719	ISC	DEEP GROOVE BALL BEARINGS