BK4018L

Exact NTN Bearing Finder record with complete dimensions and load ratings.

Fw40 mmOutside diameter47 mmWidth18 mmDynamic rating21.1 kNNTN item page ↗

Published bearing data

Dimensions and load ratings

NTN Bearing Finder

Item number: BK4018L
Roller-envelope diameter Fw: 40 mm / 1.5748 in
Outer diameter D: 47 mm / 1.8504 in
Width C: 18 mm / 0.7087 in
C3: 2.7 mm
Static load rating: 40 kN
Dynamic load rating: 21.1 kN
Published row text: BK4018L | N/A 1.5748 in 40.000 mm | N/A 1.8504 in 47.000 mm | N/A 0.7087 in 18.000 mm | N/A 0.1063 in 2.700 mm | N/A 9000 lbf 40000 N 40.00 kN | N/A 4750 lbf 21100 N 21.10 kN

Verification boundary

Do not infer interchange

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.

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