Tianjin Haman Technology Co., Ltd
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28880/28820 bearing

28880/28820 Bearing

Min. Order:
1 Piece
Payment term:
TT
Delivery time:
Stock
Technical Parameters:
Product Designations:
28880/28820
Structure:
tapered roller bearing
Inside Diameter:
247.65 mm
Outside Diameter:
304.8 mm
Thickness:
22.225 mm
Precision Rating:
ABEC-5
Bearing Material:
Chrome Steel
Seals Type:
Open
28880/28820 Bearing

Item Tapered Roller Bearing 

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 

 

C1 146000
e 0.32
Y 1.85
C90 37800
Ca90 21000
K 1.8
C0 373000
B 22.225
C 15.875
a(3) 17.3
Shaft max shaft fillet radius R(4) 1.5
Shaft backing shoulder dia.da 256
Shaft backing shoulder dia.db 258
Housing backing shoulder dia. r(4) 1.5
Housing backing shoulder dia.Da 294
Housing backing shoulder dia.Da 291
Cage Aa 1.7
Cage Ab 1.9
G1 807
G2 572
Cg 0.1479
(kg) 3.18

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