Industrial replacement referenceSource-backed records · No compatibility guesswork

Timken deep groove ball bearing · live catalog page 1

6303-ZZ

Standard DGBB · Shields

Bore d17 mmOutside diameter D47 mmWidth B14 mmDynamic rating13,600 NTimken item page ↗

Published bearing data

Dimensions and performance

Timken CAD
Part number
6303-ZZ
Bore d
17 mm
Outside diameter D
47 mm / 1.85 in
Width B
14 mm / 0.551 in
Bearing type
Standard DGBB
Features
Shields
Material
52100
Lubrication
Standard Industrial Grease
Dynamic radial load rating
13,600 N / 3,060 lbf
Static radial load rating
6,600 N / 1,485 lbf
Limiting speed — oil
22,000 rpm
Limiting speed — grease
15,000 rpm
Published row text
6303-ZZ | 17 mm | 1.850 in 47 mm | 0.551 in 14 mm | Standard DGBB | Shields | 52100 | Standard Industrial Grease | 3060 lbf 13600 N | 1485 lbf 6600 N | 22000 rpm | 15000 rpm

Verification boundary

What still needs to match

Do not infer interchange
Exact suffixConfirm seals/shields, internal clearance, precision, material, lubrication, and any suffix-specific construction.
FitVerify shaft and housing tolerances, shoulders, fillets, and installation method.
DutyCheck speed, temperature, contamination, radial/axial loading, lubricant life, and expected bearing life.
Current dataConfirm the exact part number in Timken CAD before ordering.

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Same bore dimension

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