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NTN 63/28ZNC3: bore d 28.000 mm, outside diameter D 68.000 mm, width B 18.000 mm, drawn to scaled 28.000 mmD 68.000 mmB 18.000 mmSingle Shielded
Drawing: BearingLookup, to the printed bore d, outside diameter D and width B cited in the specifications below; internal detail is illustrative.

NTN 63/28ZNC3 deep groove ball bearing

NTN 63/28ZNC3 deep groove ball bearing Single Shielded C3 (NTN Bearing Finder: Item # 63/28ZNC3): bore d 28.000 mm (1.1024 in), outside diameter D 68.000 mm (2.6772 in), width 18.000 mm (0.7087 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 d28.000 mm (1.1024 in)
Outside diameter D68.000 mm (2.6772 in)
Width18.000 mm (0.7087 in)
Basic dynamic load rating Cr29.60 kN
Basic static load rating C0r14.00 kN
Limiting speed, grease lubrication11000 RPM
Limiting speed, oil lubrication13000 RPM
EnclosureSingle Shielded
Radial internal clearanceC3
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 (28 × 68 × 18 mm)

PartManufacturerType
63/28 2RDKoyodeep groove ball bearing
63/28 2RSKoyodeep groove ball bearing
63/28 2RUKoyodeep groove ball bearing
63/28 ZZKoyodeep groove ball bearing
63/28Koyodeep groove ball bearing
63/28NKoyodeep groove ball bearing
63/28NRKoyodeep 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

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