JTEKT/Koyo deep groove ball bearing · Extremely light contact sealed
6918 2RD
Manufacturer-published boundary dimensions, basic load ratings, fatigue limit, and f0 factor.
Live manufacturer specification row
Published specifications
- Designation
- 6918 2RD
- Classification
- Extremely light contact sealed
- Bore d
- 90 mm
- Outside diameter D
- 125 mm
- Width B
- 18 mm
- Minimum corner radius r
- 1.1 mm
- Basic dynamic load rating Cr
- 41 kN
- Basic static load rating C0r
- 31.6 kN
- Fatigue load limit Cu
- 1.6 kN
- Factor f0
- 16.5
- Published row text
- 6918 2RD | 90 | 125 | 18 | 1.1 | 41 | 31.6 | 1.6 | 16.5
Verification boundary
What still needs to match
Designation and sealingConfirm the complete bearing number and exact shield/seal construction.
Fit and geometryVerify shaft/housing fits, shoulders, fillets, internal clearance, and installation constraints.
DutyCheck speed, temperature, lubrication, contamination, load direction, and required life.
Current manufacturer dataUse the linked JTEKT/Koyo calculation tool and current catalog before ordering.
Related Koyo bearings
Same bore dimension
Shielded ZZ6818 ZZD 115 mm · B 13 mmShielded ZZ6918 ZZD 125 mm · B 18 mmShielded ZZ6018 ZZD 140 mm · B 24 mmShielded ZZ6218 ZZD 160 mm · B 30 mmShielded ZZ6318 ZZXD 190 mm · B 43 mmNon-contact sealed6818 2RUD 115 mm · B 13 mmNon-contact sealed6918 2RUD 125 mm · B 18 mmNon-contact sealed6018 2RUD 140 mm · B 24 mm