Needle Roller Bearings K70X78X30

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K70X78X30

Bore Diameter:70 mm

Outside Diameter:78 mm

Width:30 mm

Weight:0.148 kg

The K70X78X30 bearing is a Needle Roller Bearings with an inner diameter of 70 mm , an outer diameter of 78 mm, a width of 30 mm. It typically uses ABEC-5 grade precision tolerances and Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

70 mm

Outside Diameter:

78 mm

Thickness:

30 mm

Weight:

0.148 KG

Specifications:

Structure:

needle roller bearing

Precision Rating:

ABEC-5

Bearing Material:

Chrome Steel

Seals Type:

Open

Transaction Information:

Payment term:

Delivery time:

Stock

Detailed description

Item:Needle Roller Bearing K70X78X30

1)ISO 9001:2008 approved

2)long life and low noise

3)OEM service

4)stocks

Specifications

Model: K70X78X30

Material :GCr15/GCr15SiMn / G20Gr2Ni4A
Hardness :HRC60-HRC64
Closures :Unsealed/Sealed Grade : P5

Clearance :C0, C3, C4

Lubrication :Oil or grease
Features: These bearings are featured by the extremely big axial load carrying capacity and meanwhile they can also carry certain radial load

Packing :
1. For small ones: Anti-rust oil+ plastic bag+ paper box+ wooden box
2. For big ones: Anti-rust oil+ waterproof belt+ professional belt +wooden box

Application :Steel industry, oil industry, cement industry, mining & construction, papermaking machinery, rolling mill, sugar mill, vibrating screens, conveyors, air blower, transmissions, and other heavy machinery

Needle roller and cage assemblies K70X78X30
to DIN 5405-1/ISO 3030

F_w

70 mm

E_w

78 mm

B_c

30 mm

148 g

Mass

C_r

60000 N

Basic dynamic load rating, radial

C_0r

135000 N

Basic static load rating, radial

C_ur

18800 N

Fatigue limit load, radial

n_G

6600 1/min

Limiting speed

n_B

4000 1/min

Reference speed

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