JTEKT/Koyo DB matched pair · live catalog page 19
7019DB FY
Manufacturer-published matched-pair dimensions, load ratings, fatigue limit, and limiting speed.
Live manufacturer specification row
Published specifications
- Designation
- 7019DB FY
- Arrangement
- Back-to-back matched pair (DB)
- Bore d
- 95 mm
- Outside diameter D
- 145 mm
- Pair width B
- 48 mm
- Minimum corner radius r
- 1.5 mm
- Minimum corner radius r1
- 1 mm
- Dynamic load rating Cr
- 135 kN
- Static load rating C0r
- 134 kN
- Fatigue load limit Cu
- 6.55 kN
- Factor f0
- Not published
- Grease limiting speed
- 3,900 rpm
- Published row text
- 7019DB FY | 95 | 145 | 48 | 1.5 | 1 | 135 | 134 | 6.55 | - | 3900
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