JTEKT/Koyo DB matched pair · live catalog page 5
7315CDB
Manufacturer-published matched-pair dimensions, load ratings, fatigue limit, and limiting speed.
Live manufacturer specification row
Published specifications
- Designation
- 7315CDB
- Arrangement
- Back-to-back matched pair (DB)
- Bore d
- 75 mm
- Outside diameter D
- 160 mm
- Pair width B
- 74 mm
- Minimum corner radius r
- 2.1 mm
- Minimum corner radius r1
- 1.1 mm
- Dynamic load rating Cr
- 296 kN
- Static load rating C0r
- 227 kN
- Fatigue load limit Cu
- 15.5 kN
- Factor f0
- 13.4
- Grease limiting speed
- 4,400 rpm
- Published row text
- 7315CDB | 75 | 160 | 74 | 2.1 | 1.1 | 296 | 227 | 15.5 | 13.4 | 4400
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 pair7215BDBD 130 mm · pair width 50 mmDB matched pair7215DBD 130 mm · pair width 50 mmDB matched pair7215CDBD 130 mm · pair width 50 mmDB matched pair7315BDBD 160 mm · pair width 74 mmDB matched pair7315DBD 160 mm · pair width 74 mmDB matched pair7915CDB FYD 105 mm · pair width 32 mmDB matched pair7015BDB FYD 115 mm · pair width 40 mmDB matched pair7015DB FYD 115 mm · pair width 40 mm