JTEKT/Koyo DB matched pair · live catalog page 21
7222CDB FY
Manufacturer-published matched-pair dimensions, load ratings, fatigue limit, and limiting speed.
Live manufacturer specification row
Published specifications
- Designation
- 7222CDB FY
- Arrangement
- Back-to-back matched pair (DB)
- Bore d
- 110 mm
- Outside diameter D
- 200 mm
- Pair width B
- 76 mm
- Minimum corner radius r
- 2.1 mm
- Minimum corner radius r1
- 1.1 mm
- Dynamic load rating Cr
- 357 kN
- Static load rating C0r
- 321 kN
- Fatigue load limit Cu
- 16.7 kN
- Factor f0
- 14.5
- Grease limiting speed
- 4,100 rpm
- Published row text
- 7222CDB FY | 110 | 200 | 76 | 2.1 | 1.1 | 357 | 321 | 16.7 | 14.5 | 4100
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 pair7922CDB FYD 150 mm · pair width 40 mmDB matched pair7022BDB FYD 170 mm · pair width 56 mmDB matched pair7022DB FYD 170 mm · pair width 56 mmDB matched pair7022CDB FYD 170 mm · pair width 56 mmDB matched pair7222BDB FYD 200 mm · pair width 76 mmDB matched pair7222DB FYD 200 mm · pair width 76 mmDB matched pair7322BDB FYD 240 mm · pair width 100 mmDB matched pair7322DB FYD 240 mm · pair width 100 mm