JTEKT/Koyo Metric Tapered Roller Bearings · live catalog page 6
32009JR
Manufacturer-published tapered-roller dimensions, load ratings, fatigue load limit, and limiting speed.
Bore d45 mmOutside diameter D75 mmOverall width T20 mmDynamic rating Cr78.8 kNKoyo calculation tool ↗
Live manufacturer specification row
Published specifications
- Designation
- 32009JR
- Family
- Metric Tapered Roller Bearings
- Bore d
- 45 mm
- Outside diameter D
- 75 mm
- Overall width T
- 20 mm
- Inner ring width B
- 20 mm
- Minimum corner radius r
- 1 mm
- Minimum corner radius r1
- 1 mm
- Dynamic load rating Cr
- 78.8 kN
- Static load rating C0r
- 86.5 kN
- Fatigue load limit Cu
- 12.6 kN
- Grease limiting speed
- 5,000 rpm
- Published row text
- 32009JR | 45 | 75 | 20 | 20 | 1 | 1 | 78.8 | 86.5 | 12.6 | 5000
Verification boundary
What still needs to match
Exact set architectureConfirm metric versus inch family, cone/cup identity, series, and complete designation.
Fits and geometryVerify shaft/housing seats, shoulders, fillets, preload/endplay, and mounting arrangement.
DutyCheck combined radial/axial loading, lubrication, speed, temperature, contamination, and required life.
Current manufacturer dataUse the linked JTEKT/Koyo calculation and CAD tools before ordering.
Related Koyo bearings
Same family and bore
Metric Tapered Roller Bearings32909JRD 68 mm · T 15 mmMetric Tapered Roller Bearings33009JRD 75 mm · T 24 mmMetric Tapered Roller Bearings33109JRD 80 mm · T 26 mmMetric Tapered Roller Bearings30209XRD 85 mm · T 20.75 mmMetric Tapered Roller Bearings30209JRD 85 mm · T 20.75 mmMetric Tapered Roller Bearings32209CRD 85 mm · T 24.75 mmMetric Tapered Roller Bearings32209JR-1D 85 mm · T 24.75 mmMetric Tapered Roller Bearings33209JRD 85 mm · T 32 mm