Product Details

Komatsu 21M-970-2130 trachea

Min.Order Quantity 1 pcs
Price Negotiable

Product Features

Komatsu 21M-970-2130 trachea Size Chart (mm/inches)

Bearing numberNU314
Size (mm)70x150x35
Bore Diameter (mm)70
Outer Diameter (mm)150
Width (mm)35
d70 mm
Fw90 mm
D150 mm
B35 mm
C35 mm
r min.2,1 mm
r1 min.2,1 mm
Weight2,71 Kg
Basic dynamic load rating (C)158 kN
Basic static load rating (C0)168 kN
(Grease) Lubrication Speed4 700 r/min
E130 mm
F90 mm
rs min2.1 mm
r1s min2.1 mm
Radial clearance classCN
Mass (without HJ ring)2.76 kg
Dynamic load, C158 kN
Static load, C0168 kN
Fatigue limit load, Cu19.9 kN
Nlim (oil)5,500 rpm
Nlim (grease)4,700 rpm
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.41 Hz
Characteristic rolling element frequency, BSF5.32 Hz
Characteristic outer ring frequency, BPF05.32 Hz
Characteristic inner ring frequency, BPFI7.68 Hz
da min81 mm
da max87 mm
db min92 mm
Da max139 mm
ra max2 mm
r1a max2 mm
CategoryRoller Bearings
Inventory0.0
Manufacturer NameNTN
Minimum Buy QuantityN/A
Weight / Kilogram2.713
EAN4547359000658
Product GroupB04144
bore diameter:70 mm
precision rating:ISO Class 0
outside diameter:150 mm
maximum rpm:5500 rpm
overall width:35 mm
bearing material:Hardened Alloy Steel
flanges:(2) Outer Ring
cage material:Pressed Steel
bore type:Straight
finish/coating:Uncoated
number of rows:1
closure type:Open
internal clearance:CN
outer ring width:35 mm
ring separation:Separable Inner Ring
fillet radius:2 mm
operating temperature range:-40 to 120 ºC
series:NU
dynamic load capacity:158000 N
manufacturer product page:Click here
static load capacity:168000 N
All Products Contact Now