Item:Tapered Roller Bearing 3778/3720
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 | 113000 |
---|---|
e | 0.34 |
Y | 1.77 |
C90 | 29300 |
Ca90 | 17000 |
K | 1.73 |
C0 | 153000 |
B | 30.302 |
C | 23.812 |
a(3) | -8.1 |
Shaft max shaft fillet radius R(4) | 6.4 |
Shaft backing shoulder dia.da | 55 |
Shaft backing shoulder dia.db | 67 |
Housing backing shoulder dia. r(4) | 3.3 |
Housing backing shoulder dia.Da | 88 |
Housing backing shoulder dia.Da | 82 |
Cage Aa | 1.8 |
Cage Ab | 0.9 |
G1 | 49.9 |
G2 | 14.5 |
Cg | 0.0903 |
(kg) | 0.88 |