Product Details

Komatsu 21N-979-3210 Suspension assembly

Min.Order Quantity 1 pcs
Price Negotiable

Product Features

Komatsu 21N-979-3210 Suspension assembly Size Chart (mm/inches)

d40 mm
D90 mm
B33 mm
rs min1.5 mm
Associated sleeve referenceH2308X
e0.43
Y11.5
Y22.3
Y01.5
Radial clearance classC3
Precision classP0
Mass0.89 kg
Dynamic load, C45.5 kN
Static load, C013.5 kN
Nlim (oil)8,000 rpm
Nlim (grease)6,300 rpm
Min operating temperature, Tmin-20 °C
Max operating temperature, Tmax120 °C
da min48 mm
da max52 mm
db min45 mm
Ce min5 mm
Da max82 mm
ra max1.5 mm
CategoryBearings
Inventory0.0
Manufacturer NameNTN
Minimum Buy QuantityN/A
Weight / Kilogram3.2
Product GroupB00308
bore diameter:40 mm
precision rating:Class 0
outside diameter:90 mm
maximum rpm:8000 rpm
overall width:33 mm
bearing material:High Carbon Chrome Steel
bore type:Tapered 1:12
cage material:Steel
closure type:Open
finish/coating:Uncoated
internal clearance:C3
outer ring width:33 mm
operating temperature range:-40 to 120 ºC
fillet radius:1.5 mm
dynamic load capacity:45500 N
manufacturer product page:Click here
static load capacity:13500 N
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