Main Products: Deep Groove Ball Bearing ,Self-aligning Roller Bearing ,Tapered Roller Bearing ,Thrust Ball Bearing
R4A zz with size 0.25x0.75x0.2188 inch HXH deep groove ball bearing
USD $1 - $2 /Piece
Min.Order:500 Pieces
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Business Type: Buying OfficeMain Products: Deep Groove Ball Bearing ,Self-aligning Roller Bearing ,Tapered Roller Bearing ,Thrust Ball BearingProduct Details
Specification of bearing R4A-zz
| Bearing Type | Open | |
| Bore Dia (d) | 0.25 | in |
| Outer Dia (D) | 0.75 | in |
| Width (B) | 0.2188 | in |
| Radius (min) (rs) | 0.016 | in |
| Dynamic Load Rating (Cr) | 525 | lbs |
| Static Load Rating (Cor) | 190 | lbs |
| Max Speed (Grease) | 36,000 | rpm |
| Max Speed (Oil) | 43,000 | rpm |
| Max. Shaft Shoulder Dia. Inner (Li) | 0.4 | in |
| Min. Housing Shoulder Dia., Outer (Lo) | 0.6 | in |
| Ball Qty | 6 | |
| Ball Dia (Dw) | 0.1378 | in |
| Weight (g) | 7.48 | grams |
| Precision | A1 | |
| Standard Clearance | K25 | |
| Material | 52100 Chrome steel (or equivalent) |
How to buy deep groove ball bearing ?
Construction of deep groove ball bearing
Inner & outer race
Balls
Retainer
Shield
Optional requirements below based on your application.
Material
Stianless steel
Chrome steel (GCr15)
Carbon steel
Full ceramic
Hybrid ceramic
Plastic
Type of Retainer
Crown steel retainer
Double steel retainer
Neylon retainer
PTFE retainer
PEET retainer
Lubrication
By Grease
By Oil
Type of shield
RS-- covered by rubber on one side
2RS-- covered by rubber on both side
z-- covered by steel on one sdie
zz-- covered by steel on both side
Open type-- Covered without anything.
Row
Single Row
Double Row
Accuracy / Precision
P0 < P6< P5 < P4 < P2 (Standard: GB307.1 )
ABEC1<ABEC3<ABEC5<ABEC7<ABEC9 (Standard: ANSI)
Radial Clearance:
C2 < C0 < C3 < C4 < C5
Tolerance for vibration of bearing.
V4 < V3 < V2 < V1 < V
Maximum vibration acceleration of bearing
Z, Z1, Z2, Z3, Z4
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