JTEKT/Koyo DB matched pair · live catalog page 20
7020DB FY
Manufacturer-published matched-pair dimensions, load ratings, fatigue limit, and limiting speed.
Live manufacturer specification row
Published specifications
- Designation
- 7020DB FY
- Arrangement
- Back-to-back matched pair (DB)
- Bore d
- 100 mm
- Outside diameter D
- 150 mm
- Pair width B
- 48 mm
- Minimum corner radius r
- 1.5 mm
- Minimum corner radius r1
- 1 mm
- Dynamic load rating Cr
- 139 kN
- Static load rating C0r
- 141 kN
- Fatigue load limit Cu
- 6.75 kN
- Factor f0
- Not published
- Grease limiting speed
- 3,800 rpm
- Published row text
- 7020DB FY | 100 | 150 | 48 | 1.5 | 1 | 139 | 141 | 6.75 | - | 3800
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 pair7220BDBD 180 mm · pair width 68 mmDB matched pair7220DBD 180 mm · pair width 68 mmDB matched pair7220CDBD 180 mm · pair width 68 mmDB matched pair7320BDBD 215 mm · pair width 94 mmDB matched pair7320DBD 215 mm · pair width 94 mmDB matched pair7320CDBD 215 mm · pair width 94 mmDB matched pair7920CDB FYD 140 mm · pair width 40 mmDB matched pair7020BDB FYD 150 mm · pair width 48 mm