Komatsu SA12V140-1 Series Engine Factory Shop Service Repair Manual

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Komatsu SA12V140-1 Series Engine Factory Shop Service Repair Manual Characteristics

Bearing number:NNU 4956 B/SPW33
Size (mm):280x380x100
Bore Diameter (mm):280
Outer Diameter (mm):380
Width (mm):100
d:280 mm
D:380 mm
B:100 mm
D1:345.6 mm
F:312 mm
b:13.9 mm
K:3 mm
r1,2 - min.:2.1 mm
s:4.5 mm
da - min.:291 mm
da - max.:308 mm
db - min.:316 mm
Da - max.:369 mm
ra - max.:2 mm
dn:313.5 mm
Basic dynamic load rating - C:765 kN
Basic static load rating - C0:1800 kN
Fatigue load limit - Pu:170 kN
Limiting speed for grease lubrication:1900 r/min
Limiting speed for oil lubrication:2200 mm/min
Gref:384 cm
Category:Bearings
Inventory:0.0
Minimum Buy Quantity:N/A
Weight / Kilogram:0
Product Group:B04270
r1,2 min.:2.1 mm
s max.:4.5 mm
da min.:291 mm
da max.:308 mm
db min.:316 mm
Da max.:369 mm
ra max.:2 mm
Basic dynamic load rating C:765 kN
Basic static load rating C0:1800 kN
Fatigue load limit Pu:170 kN
Attainable speed for grease lubrication:1900 r/min
Attainable speed for oil-air lubrication:2200 r/min
Reference grease quantity Gref:384 cm³
Static radial stiffness (guideline value):7260 N/µm
Mass bearing:32.5 kg

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Komatsu SA12V140-1 Series Engine Factory Shop Service Repair Manual Characteristics

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