JTEKT/Koyo DB matched pair · live catalog page 1
7200DB
Manufacturer-published matched-pair dimensions, load ratings, fatigue limit, and limiting speed.
Live manufacturer specification row
Published specifications
- Designation
- 7200DB
- Arrangement
- Back-to-back matched pair (DB)
- Bore d
- 10 mm
- Outside diameter D
- 30 mm
- Pair width B
- 18 mm
- Minimum corner radius r
- 0.6 mm
- Minimum corner radius r1
- 0.3 mm
- Dynamic load rating Cr
- 11 kN
- Static load rating C0r
- 5.45 kN
- Fatigue load limit Cu
- 0.28 kN
- Factor f0
- Not published
- Grease limiting speed
- 18,000 rpm
- Published row text
- 7200DB | 10 | 30 | 18 | 0.6 | 0.3 | 11 | 5.45 | 0.28 | - | 18000
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 pair7200BDBD 30 mm · pair width 18 mmDB matched pair7200CDBD 30 mm · pair width 18 mmDB matched pair7300DBD 35 mm · pair width 22 mmDB matched pair7900CDB FYD 22 mm · pair width 12 mmDB matched pair7000BDB FYD 26 mm · pair width 16 mmDB matched pair7000DB FYD 26 mm · pair width 16 mmDB matched pair7000CDB FYD 26 mm · pair width 16 mmDB matched pair7200BDB FYD 30 mm · pair width 18 mm