NTN drawn-cup needle roller bearing · live catalog page 14
HMK1721LL
Exact NTN Bearing Finder record with complete dimensions and load ratings.
Published bearing data
Dimensions and load ratings
- Item number
- HMK1721LL
- Roller-envelope diameter Fw
- 17 mm / 0.669 in
- Outer diameter D
- 24 mm / 0.9449 in
- Width C
- 21 mm / 0.8268 in
- C3
- Not published
- Static load rating
- 15 kN
- Dynamic load rating
- 12.1 kN
- Published row text
- HMK1721LL | N/A 0.6690 in 17.000 mm | N/A 0.9449 in 24.000 mm | N/A 0.8268 in 21.000 mm | N/A | N/A 3372 lbf 15000 N 15.00 kN | N/A 2720 lbf 12100 N 12.10 kN
Verification boundary
What still needs to match
ConstructionConfirm open/closed end, cage or full-complement design, oil-hole features, and exact suffix.
Shaft and housingVerify shaft hardness/finish, housing fit, tolerances, shoulders, and installation tooling.
DutyCheck load direction, lubrication, speed, temperature, contamination, and expected life.
Current dataConfirm the exact item in NTN Bearing Finder before ordering.
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