7,729 parts and counting

NTN 6301LUN: bore d 12.000 mm, outside diameter D 37.000 mm, width B 12.000 mm, drawn to scaled 12.000 mmD 37.000 mmB 12.000 mmSingle Sealed
Drawing: BearingLookup, to the printed bore d, outside diameter D and width B cited in the specifications below; internal detail is illustrative.

NTN 6301LUN deep groove ball bearing

NTN 6301LUN deep groove ball bearing Single Sealed CN (NTN Bearing Finder: Item # 6301LUN): bore d 12.000 mm (0.4724 in), outside diameter D 37.000 mm (1.4567 in), width 12.000 mm (0.4724 in).

Deep groove ball bearings · All NTN part numbers

Open deep groove ball bearing with its steel balls visible
A typical deep groove ball bearing — not necessarily this part. Photo: “1984 deep groove ball bearing UR 6304 made in Czechoslovakia by ZKL” by R. Henrik Nilsson, CC BY 4.0, via Wikimedia Commons (resized).

Specifications

Bore d12.000 mm (0.4724 in)
Outside diameter D37.000 mm (1.4567 in)
Width12.000 mm (0.4724 in)
Basic dynamic load rating Cr10.80 kN
Basic static load rating C0r4.20 kN
Limiting speed, grease lubrication15000 RPM
EnclosureSingle Sealed
Radial internal clearanceCN
Cage typePressed
Cage materialSteel
Bore typeRound
PrecisionClass 0
MaterialHigh Carbon Chrome Steel
TypeBall Bearing

All specifications: Verified printed in NTN’s own product listing

Same size, other makers and types (12 × 37 × 12 mm)

PartManufacturerType
7301Koyoangular contact ball bearing
6301 2RDKoyodeep groove ball bearing
6301 2RSKoyodeep groove ball bearing
6301 2RUKoyodeep groove ball bearing
6301 ZZKoyodeep groove ball bearing
6301Koyodeep groove ball bearing
6301NKoyodeep groove ball bearing
6301NRKoyodeep groove ball bearing

These match this part on the dimensions each maker prints. A size match is not a stated interchange: check the other specifications before substituting.

Related parts

Sources