Product Details

Komatsu 135-21-31220 Maintainer

Min.Order Quantity 1 pcs
Price Negotiable

Product Features

Komatsu 135-21-31220 Maintainer Size Chart (mm/inches)

Bearing number6906
Size (mm)30x47x9
Bore Diameter (mm)30
Outer Diameter (mm)47
Width (mm)9
d30 mm
D47 mm
B9 mm
C9 mm
r min.0,3 mm
da min.32 mm
da max34 mm
Da max.45 mm
ra max.0,3 mm
Weight0,048 Kg
Basic dynamic load rating (C)7,25 kN
Basic static load rating (C0)5 kN
(Grease) Lubrication Speed14 000 r/min
(Oil) Lubrication Speed17 000 r/min
rs min0.3 mm
Radial clearance classCN
Mass0.05 kg
Dynamic load, C7.25 kN
Static load, C05 kN
Fatigue limit load, Cu0.23 kN
f015.8
Nlim (oil)17,000 rpm
Nlim (grease)14,000 rpm
Min operating temperature, Tmin-20 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.44 Hz
Characteristic rolling element frequency, BSF7.96 Hz
Characteristic outer ring frequency, BPF06.13 Hz
Characteristic inner ring frequency, BPFI7.87 Hz
da min32 mm
Da max45 mm
ra max0.3 mm
CategorySingle Row Ball Bearings
Inventory0.0
Manufacturer NameNTN
Minimum Buy QuantityN/A
Weight / Kilogram0.05
EAN4547359006711
Product GroupB00308
EnclosureOpen
Precision ClassABEC 1 | ISO P0
Maximum Capacity / Filling SlotNo
Rolling ElementBall Bearing
Snap RingNo
Internal Special FeaturesNo
Cage MaterialSteel
Internal ClearanceC0-Medium
Inch - MetricMetric
Long Description30MM Bore; 47MM Outside Diameter; 9MM Outer Race Diameter; Open; Ball Bearing; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; No Internal Special Features
CategorySingle Row Ball Bearing
UNSPSC31171504
Harmonized Tariff Code8482.10.50.68
NounBearing
Keyword StringBall
Manufacturer URLhttp://www.ntnamerica.com
Manufacturer Item Number6906
Weight / LBS0.111
Outside Diameter1.85 Inch | 47 Millimeter
Bore1.181 Inch | 30 Millimeter
Outer Race Width0.354 Inch | 9 Millimeter
bore diameter:30 mm
finish/coating:Uncoated
outside diameter:47 mm
bearing material:High Carbon Chrome Steel
overall width:9 mm
cage material:Steel
bore type:Round
inner ring width:9 mm
closure type:Open
outer ring width:9 mm
row type & fill slot:Single Row Non-Fill Slot
maximum rpm (grease):14000 rpm
snap ring included:Without Snap Ring
maximum rpm (oil):17000 rpm
internal clearance:CN
fillet radius:0.3 mm
operating temperature range:-40 to 120 ºC
maximum rpm:17000 RPM
dynamic load capacity:7250 N
series:69
static load capacity:5000 N
manufacturer product page:Click here
precision rating:Class 0
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