Paired tapered roller bearings

Product Introduction

The JOJI product line of matched single-row tapered roller bearings is based on the common dimensions of single-row tapered roller bearings. Depending on the application requirements, matched tapered roller bearings are available in different designs and styles:

Matched bearings arranged face-to-face
Matched bearings arranged back-to-back
Matched bearings arranged in tandem
Basic designs and JOJI bearings

The matched bearings listed in the product table constitute the basic JOJI product line. JOJI can provide other matched bearing sets upon request.

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Aperture d

mm

-

mm
Outer Diameter D

mm

-

mm
Width B

mm

-

mm
Model

Model	Basic Dimensions			Basic Load Rating		Rated Speed
				Dynamic	Static	Reference Speed	Limiting Speed
	d[mm]	D[mm]	T[mm]	C[kN]	C₀[kN]	[r/min]	[r/min]
31305/DF	25.0	62.0	36.5	79.9	80.0	6700.0	11000.0
31306/DF	30.0	72.0	41.5	100.0	100.0	5600.0	9500.0
32206/DF	30.0	62.0	42.5	106.0	116.0	7500.0	11000.0
31307/DF	35.0	80.0	45.5	129.0	134.0	5000.0	8500.0
31308/CL7CDF	40.0	90.0	50.5	156.0	163.0	4500.0	7500.0
31309/CL7CDF	45.0	100.0	54.5	194.0	204.0	4000.0	6700.0
31309/CL7CDFC25	45.0	100.0	54.5	194.0	204.0	4000.0	6700.0
31309/CL7CDFG40	45.0	100.0	54.5	194.0	204.0	4000.0	6700.0
30210/DFC120	50.0	90.0	43.5	160.0	183.0	4800.0	7500.0
31310/CL7CDF	50.0	110.0	58.5	224.0	240.0	3600.0	6000.0