Specification :

tapered roller bearing 31304
Structure: Taper Type: Roller Bore Size: 20 mm Outside Diameter: 52 mm
Model Number: 31304 Precision Rating: ABEC1, ABEC3, ABEC5
Seals Type: OPEN Number of Row: Single Row Place of Origin: China ( Mainland)
Material: Chrome steel, Carbon steel, Stainless s...
Certificate: ISO9001: 2000 Service: OEM Vibration: Z1V1, Z2V2, Z3V3
Closures: OPEN, ZZ, 2RS Main market abroad: Europe, America, Africa, Middl...
Quality: Genuine, Original, OEM brand, Low price, p...
Standard: Normal standard
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