JTEKT/Koyo DB matched pair · live catalog page 5
7214CDB
Manufacturer-published matched-pair dimensions, load ratings, fatigue limit, and limiting speed.
Live manufacturer specification row
Published specifications
- Designation
- 7214CDB
- Arrangement
- Back-to-back matched pair (DB)
- Bore d
- 70 mm
- Outside diameter D
- 125 mm
- Pair width B
- 48 mm
- Minimum corner radius r
- 1.5 mm
- Minimum corner radius r1
- 1 mm
- Dynamic load rating Cr
- 168 kN
- Static load rating C0r
- 138 kN
- Fatigue load limit Cu
- 8.9 kN
- Factor f0
- 14.6
- Grease limiting speed
- 5,300 rpm
- Published row text
- 7214CDB | 70 | 125 | 48 | 1.5 | 1 | 168 | 138 | 8.9 | 14.6 | 5300
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 pair7214BDBD 125 mm · pair width 48 mmDB matched pair7214DBD 125 mm · pair width 48 mmDB matched pair7314BDBD 150 mm · pair width 70 mmDB matched pair7314DBD 150 mm · pair width 70 mmDB matched pair7314CDBD 150 mm · pair width 70 mmDB matched pair7914CDB FYD 100 mm · pair width 32 mmDB matched pair7014BDB FYD 110 mm · pair width 40 mmDB matched pair7014DB FYD 110 mm · pair width 40 mm