61903 Bearing

61903

Bore Diameter:17 mm

Outside Diameter:30 mm

Width7 mm

weight0.017 kg

The 61903 bearing is a Deep Groove Ball Bearings with an inner diameter of 17 mm , an outer diameter of 30 mm, a width of 7 mm. It typically uses ABEC-5 grade precision tolerances and Open,ZZ,2RS,Z,RS type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

17 mm

Outside Diameter:

30 mm

Thickness:

7 mm

Weight:

0.017 KG

Specifications:

Structure:

deep groove ball bearing

Precision Rating:

ABEC-5

Bearing Material:

Chrome Steel

Seals Type:

Open,ZZ,2RS,Z,RS

Transaction Information:

Payment term:

Delivery time:

7 days

Item: Deep Groove Ball Bearings

1)ISO 9001:2008 approved.
2)long life and low noise
3)OEM service
4)stocks

Specifications

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

17 mm

30 mm

7 mm

D₁

26,3 mm

D_{a max}

28 mm

d₁

20,8 mm

d_{a min}

19 mm

r_{a max}

0,3 mm

r_min

0,3 mm

0,017 kg

Mass

C_r

4900 N

Basic dynamic load rating, radial

C_0r

2550 N

Basic static load rating, radial

n_G

35000 1/min

Limiting speed

n_B

18500 1/min

Reference speed

C_ur

132 N

Fatigue limit load, radial

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