JTEKT/Koyo DB matched pair · live catalog page 17
7316BDB FY
Manufacturer-published matched-pair dimensions, load ratings, fatigue limit, and limiting speed.
Live manufacturer specification row
Published specifications
- Designation
- 7316BDB FY
- Arrangement
- Back-to-back matched pair (DB)
- Bore d
- 80 mm
- Outside diameter D
- 170 mm
- Pair width B
- 78 mm
- Minimum corner radius r
- 2.1 mm
- Minimum corner radius r1
- 1.1 mm
- Dynamic load rating Cr
- 259 kN
- Static load rating C0r
- 200 kN
- Fatigue load limit Cu
- 11.6 kN
- Factor f0
- Not published
- Grease limiting speed
- 2,800 rpm
- Published row text
- 7316BDB FY | 80 | 170 | 78 | 2.1 | 1.1 | 259 | 200 | 11.6 | - | 2800
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 pair7216BDBD 140 mm · pair width 52 mmDB matched pair7216DBD 140 mm · pair width 52 mmDB matched pair7216CDBD 140 mm · pair width 52 mmDB matched pair7316BDBD 170 mm · pair width 78 mmDB matched pair7316DBD 170 mm · pair width 78 mmDB matched pair7316CDBD 170 mm · pair width 78 mmDB matched pair7916CDB FYD 110 mm · pair width 32 mmDB matched pair7016BDB FYD 125 mm · pair width 44 mm