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Timken deep groove ball bearing · live catalog page 3

6311-NR

Standard DGBB · Snap Ring

Bore d55 mmOutside diameter D120 mmWidth B29 mmDynamic rating71,500 NTimken item page ↗

Published bearing data

Dimensions and performance

Timken CAD
Part number
6311-NR
Bore d
55 mm
Outside diameter D
120 mm / 4.724 in
Width B
29 mm / 1.142 in
Bearing type
Standard DGBB
Features
Snap Ring
Material
52100
Lubrication
No Lubricant - Rust Preventative Only
Dynamic radial load rating
71,500 N / 16,088 lbf
Static radial load rating
44,600 N / 10,035 lbf
Limiting speed — oil
6,800 rpm
Limiting speed — grease
5,600 rpm
Published row text
6311-NR | 55 mm | 4.724 in 120 mm | 1.142 in 29 mm | Standard DGBB | Snap Ring | 52100 | No Lubricant - Rust Preventative Only | 16088 lbf 71500 N | 10035 lbf 44600 N | 6800 rpm | 5600 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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