JTEKT/Koyo DB matched pair · live catalog page 8
7003CDB FY
Manufacturer-published matched-pair dimensions, load ratings, fatigue limit, and limiting speed.
Live manufacturer specification row
Published specifications
- Designation
- 7003CDB FY
- Arrangement
- Back-to-back matched pair (DB)
- Bore d
- 17 mm
- Outside diameter D
- 35 mm
- Pair width B
- 20 mm
- Minimum corner radius r
- 0.3 mm
- Minimum corner radius r1
- 0.15 mm
- Dynamic load rating Cr
- 14.8 kN
- Static load rating C0r
- 8.95 kN
- Fatigue load limit Cu
- 0.46 kN
- Factor f0
- 14.6
- Grease limiting speed
- 25,000 rpm
- Published row text
- 7003CDB FY | 17 | 35 | 20 | 0.3 | 0.15 | 14.8 | 8.95 | 0.46 | 14.6 | 25000
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 pair7203BDBD 40 mm · pair width 24 mmDB matched pair7203DBD 40 mm · pair width 24 mmDB matched pair7203CDBD 40 mm · pair width 24 mmDB matched pair7303BDBD 47 mm · pair width 28 mmDB matched pair7303CDBD 47 mm · pair width 28 mmDB matched pair7303DBD 47 mm · pair width 28 mmDB matched pair7903CDB FYD 30 mm · pair width 14 mmDB matched pair7003BDB FYD 35 mm · pair width 20 mm