JTEKT/Koyo DB matched pair · live catalog page 15
7313CDB FY
Manufacturer-published matched-pair dimensions, load ratings, fatigue limit, and limiting speed.
Live manufacturer specification row
Published specifications
- Designation
- 7313CDB FY
- Arrangement
- Back-to-back matched pair (DB)
- Bore d
- 65 mm
- Outside diameter D
- 140 mm
- Pair width B
- 66 mm
- Minimum corner radius r
- 2.1 mm
- Minimum corner radius r1
- 1.1 mm
- Dynamic load rating Cr
- 228 kN
- Static load rating C0r
- 161 kN
- Fatigue load limit Cu
- 11.8 kN
- Factor f0
- 13.4
- Grease limiting speed
- 6,300 rpm
- Published row text
- 7313CDB FY | 65 | 140 | 66 | 2.1 | 1.1 | 228 | 161 | 11.8 | 13.4 | 6300
Verification boundary
What still needs to match
Arrangement and contact angleConfirm DB arrangement, contact angle, precision, preload, and complete suffix.
Fits and geometryVerify shaft/housing seats, shoulders, fillets, spacers, and axial clamping.
DutyCheck combined radial/axial load, stiffness, speed, lubrication, temperature, and required life.
Current dataUse the linked JTEKT/Koyo calculation and CAD tools before ordering.
Related Koyo DB pairs
Same bore dimension
DB matched pair7213BDBD 120 mm · pair width 46 mmDB matched pair7213DBD 120 mm · pair width 46 mmDB matched pair7213CDBD 120 mm · pair width 46 mmDB matched pair7313BDBD 140 mm · pair width 66 mmDB matched pair7313DBD 140 mm · pair width 66 mmDB matched pair7313CDBD 140 mm · pair width 66 mmDB matched pair7913CDB FYD 90 mm · pair width 26 mmDB matched pair7013BDB FYD 100 mm · pair width 36 mm