NNU4988 KOYO Double-row cylindrical roller bearings
Brand Name:KOYO
Model Number:NNU4988
d:2.0000 in
radial dynamic load capacity::9752 lb
D:3.9370 in
bearing material::52100/Black Oxide
outer ring width::1.1875 in
cage material::Brass
inner ring width::2.1875 in
finish/coating::Black Oxide
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Product Details

d2.0000 in
radial dynamic load capacity:9752 lb
D3.9370 in
bearing material:52100/Black Oxide
outer ring width:1.1875 in
cage material:Brass
inner ring width:2.1875 in
finish/coating:Black Oxide
bore type:Round
seal type:Felt
locking device:Set Screw Collar
expansion type:Non-Expansion Bearing (Fixed)
duty type:Standard Duty
series:ER
B2.1875 in
manufacturer catalog number:705090
operating temperature range:250°
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Company Profile

MAK Metallurgy Heavy Bearing Manufacturing Co.,Ltd
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