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Deep Groove Ball Bearing 6700 Series

/Ball Bearings 6701ZZ Thin 12x18x4mm 2Z Shielded GCr15 Steel

Ball Bearings 6701ZZ Thin 12x18x4mm 2Z Shielded GCr15 Steel

6702ZZ Precision Single Row Radial Ball Bearing Both Sides Rubber Sealed and pre-Lubricated with Grease.
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Ball Bearings 6701ZZ Thin 12x18x4mm 2Z Shielded GCr15 Steel



Precision Tolerance: ABEC 3

 Steel seals:

"LLB" is a double-lip type seal making light contact and also rides in a groove making a labyrinth seal.

"LLU" is a double- lip type seal making medium contact and also rides in a groove making a labyrinth seal.

Grade 10 Chromium Steel Balls: High precision balls are within 10/1,000,000″ round, twice as round as the industry standard, at it’s highest level.

52100 High Carbon Chromium Alloy Races: Vacuum de-gassed process for the purest chromium alloy steel, hardened to R-62, extremely tough and very durable. Polished to a mirror finish for ABEC-3 precision and noiseless movement.



Bearing Type Ball
For Load Direction Radial
Construction Single Row
Seal Type Sealed
Part Number 6702ZZ
For Shaft Diameter 15mm
Bore Dia (d) 15mm
Bore Dia Tolerance -0.008mm to 0
For Housing ID 21mm
Outer Dia (D) 21mm
Outer Dia Tolerance -0.008mm to 0
Width (B) 4mm
Width Tolerance -0.12mm to 0
Ring Material 52100 Chrome steel
Ball Material 52100 Chrome steel
Cage Material 300 Series Stainless Steel
Shield Material 300 Series Stainless Steel
Dynamic Load Rating (Cr) (Newtons) 928
Static Load Rating (Cor) (Newtons) 532
Max Speed (Grease) (X1000 RPM) 13
Max Speed (Oil) (X1000 RPM) 15
Lubrication Required
Shaft Mount Type Press Fit
Temperature Range -30° to 110 °C
ABEC Rating ABEC-3
Radial Clearance Trade No. C0
Radial Clearance 0.003mm to 0.018mm
RoHS Compliant
Ball Qty  
Ball Dia  mm
Weight (grams) 3.1

1 Applicable only for open, single Z, ZZ, single RU and 2RU types in inner ring rotating conditions. Max. speeds for the contact rubber seal(s) types will be around 50-60 % of above values.
2 Applicable only for open, single Z, ZZ, single RU and 2RU types in inner ring rotating conditions. Max. speeds for the contact rubber seal(s) types will be around 50-60 % of above values.


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