JTEKT/Koyo DB matched pair · live catalog page 19
7219DB FY
Manufacturer-published matched-pair dimensions, load ratings, fatigue limit, and limiting speed.
Live manufacturer specification row
Published specifications
- Designation
- 7219DB FY
- Arrangement
- Back-to-back matched pair (DB)
- Bore d
- 95 mm
- Outside diameter D
- 170 mm
- Pair width B
- 64 mm
- Minimum corner radius r
- 2.1 mm
- Minimum corner radius r1
- 1.1 mm
- Dynamic load rating Cr
- 248 kN
- Static load rating C0r
- 207 kN
- Fatigue load limit Cu
- 11 kN
- Factor f0
- Not published
- Grease limiting speed
- 3,500 rpm
- Published row text
- 7219DB FY | 95 | 170 | 64 | 2.1 | 1.1 | 248 | 207 | 11 | - | 3500
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 pair7219BDBD 170 mm · pair width 64 mmDB matched pair7219DBD 170 mm · pair width 64 mmDB matched pair7219CDBD 170 mm · pair width 64 mmDB matched pair7319BDBD 200 mm · pair width 90 mmDB matched pair7319DBD 200 mm · pair width 90 mmDB matched pair7319CDBD 200 mm · pair width 90 mmDB matched pair7919CDB FYD 130 mm · pair width 36 mmDB matched pair7019BDB FYD 145 mm · pair width 48 mm