NTN drawn-cup needle roller bearing · live catalog page 4
BK4020
Exact NTN Bearing Finder record with complete dimensions and load ratings.
Published bearing data
Dimensions and load ratings
- Item number
- BK4020
- Roller-envelope diameter Fw
- 40 mm / 1.5748 in
- Outer diameter D
- 47 mm / 1.8504 in
- Width C
- 20 mm / 0.7874 in
- C3
- 2.7 mm
- Static load rating
- 52.5 kN
- Dynamic load rating
- 25.9 kN
- Published row text
- BK4020 | N/A 1.5748 in 40.000 mm | N/A 1.8504 in 47.000 mm | N/A 0.7874 in 20.000 mm | N/A 0.1063 in 2.700 mm | N/A 11800 lbf 52500 N 52.50 kN | N/A 5800 lbf 25900 N 25.90 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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