JTEKT/Koyo DB matched pair · live catalog page 6
7219BDB
Manufacturer-published matched-pair dimensions, load ratings, fatigue limit, and limiting speed.
Live manufacturer specification row
Published specifications
- Designation
- 7219BDB
- 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
- 235 kN
- Static load rating C0r
- 201 kN
- Fatigue load limit Cu
- 10.2 kN
- Factor f0
- Not published
- Grease limiting speed
- 2,100 rpm
- Published row text
- 7219BDB | 95 | 170 | 64 | 2.1 | 1.1 | 235 | 201 | 10.2 | - | 2100
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 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 mmDB matched pair7019DB FYD 145 mm · pair width 48 mm