Hybrid ceramic ball bearing R188 with size 6.35x12.7x4.762 mm stainless steel race and white ZrO2 ceramic balls
USD $1 - $2 /Piece
Min.Order:500 Pieces
Hybrid ceramic ball bearing R188 with size 6.35x12.7x4.762 mm stainless steel race and white ZrO2 ceramic balls.
Material | Stainless steel | High hardness and price |
Chrome Steel (GCr15) | Normal material with medium price | |
Hybrid ceramic | Usually be made in steel body and ceramic balls. | |
Full ceramic | Usually be made in Si3O4 or NrO2 with PTFE retainer | |
1 | Material of retainer | Chrome steel / Carbon steel / stainless steel / Nylon |
Type of retainer | crown retainer / double retainer | |
2 | Shield type | 1, Open type. without shield 2, ZZ type. (Steel shield on both sides) 3, 2RS type. (Rubber shield on both sides) |
3 | Shield color and material | Color: Black or customized Material: steel or rubber |
4 | Max Speed | Please contact us. It depends on exact model No. |
5 | Lubrication | 1, Grease (used for ZZ or 2RS type) 2, Oil (used for open type) |
6 | Accuracy | P0 < P6< P5 < P4 < P2 (Standard: GB307.1 ) ABEC1<ABEC3<ABEC5<ABEC7<ABEC9 (Standard: ANSI) |