KOMATSU 21M-970-1731NK BRACKET - Kate Komatsu part Machinery Co., Ltd

✖

Home

Stock Categories

Company News

BUCKET ASS'Y

VICKERS gear pump

CUTTING AND HAND TOOLS

Home>Products>BRACKET>KOMATSU 21M-970-1731NK BRACKET image

KOMATSU 21M-970-1731NK BRACKET image

Back to product page

KOMATSU 21M-970-1731NK BRACKET Technology

Bearing number:4T-32008X
Size (mm):40x68x19
Bore Diameter (mm):40
Outer Diameter (mm):68
Width (mm):19
d:40 mm
D:68 mm
T:19 mm
B:19 mm
C:14,5 mm
ra1 max.:1 mm
a:15 mm
r min.:1 mm
r1 min.:1 mm
da min.:45,5 mm
Da min:60 mm
Da max.:62,5 mm
db max.:46 mm
Db min.:65 mm
ra max.:1 mm
Sa:4 mm
Sb:4,5 mm
Weight:0,273 Kg
Basic dynamic load rating (C):50 kN
Basic static load rating (C0):65,5 kN
(Grease) Lubrication Speed:5 300 r/min
(Oil) Lubrication Speed:7 100 r/min
Calculation factor (e):0,38
Calculation factor (Y0):0,87
d1:54.5 mm
rs min:1 mm
r1s min:1 mm
e:0.38
Y2:1.58
Y0:0.87
Mass:0.27 kg
ISO 355 reference:T3CD040
Dynamic load, C:50 kN
Rating life coefficient, A2:1.4
Static load, C0:65.5 kN
Fatigue limit load, Cu:8 kN
Nlim (oil):7,100 rpm
Nlim (grease):5,300 rpm
Min operating temperature, Tmin:-40 °C
Max operating temperature, Tmax:120 °C
Characteristic cage frequency, FTF:0.44 Hz
Characteristic rolling element frequency, BSF:7.77 Hz
Characteristic outer ring frequency, BPF0:9.21 Hz
Characteristic inner ring frequency, BPFI:11.79 Hz
da max:46 mm
db min:45.5 mm
Da max:62.5 mm
Db min:65 mm
Ca min:4 mm
Cb min:4.5 mm
ra max:1 mm
r1a max:1 mm
Category:Roller Bearings
Inventory:6.0
Minimum Buy Quantity:N/A
Weight / Kilogram:0
Product Group:B04334

Main Products: Load Wheel, Chain Wheel, Drive Wheel, Gear Block, Guide Wheel, Chain Rail Assembly, Track Assembly, Track Plate and High Strength Bolt. Other products: chain link, chain pin, bucket shaft, bucket shaft sleeve, swing frame, connecting rod, chain bracket, tension cylinder, tension spring, U-frame, large and small arm cylinder assembly, rubber block, bucket teeth, tooth base, etc.

Contact Us

Kate Komatsu part Machinery Co., Ltd: Email; AddressJiulong wan ,Hong kong,china; Phone(Working Time); Fax

Send Now