R3-ZZ

Tier-one manufacturer — brand supplied may vary ✓ Dimensions checked: ISO table and supplier data agree
$3.63 USD
$3.63 USD
Sale Sold out
Bore3/16 in 4.76 mm
Outside dia.1/2 in 12.7 mm
Width10/51 in 4.98 mm
TypeInch-dimension radial ball bearing, R series (ABMA)
SealingMetal shields, both sides
Ships from US partner stock — flat-rate shipping, calculated by weight at checkout
  • R3 ZZ Ball Bearings EBC
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Image is for illustration purposes only.

What R3-ZZ means

CodePositionMeaning
R Type Inch-dimension radial ball bearing, R series (ABMA)
3 Bore Bore in sixteenths of an inch: 3/16 = 3/16 in
ZZ Closure Metal shields, both sides

Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.

R3-ZZ specifications

Specification Metric Inch Basis
Bore (d) 4.76 mm 3/16 in (0.1875) ISO table for this designation, confirmed by supplier data
Outside diameter (D) 12.7 mm 1/2 in (0.5) Maker's catalogue (PEER Bearing), confirmed by supplier data
Width (B) 4.98 mm 10/51 in (0.196) Maker's catalogue (PEER Bearing), confirmed by supplier data
Bearing type Inch-dimension radial ball bearing, R series (ABMA) Stated by the designation
Seals / shields Metal shields, both sides Stated by the designation

R3-ZZ is an inch-dimension radial ball bearing, R series (ABMA), 3/16 in bore × 1/2 in OD × 10/51 in wide (4.76 × 12.7 × 4.98 mm). It has metal shields on both sides.

The R3 ZZ is a single row deep groove ball bearing equipped with metal shields on both sides (ZZ designation). The shields protect the internal components from contaminants while retaining lubrication, making this bearing suitable for moderately dirty environments where occasional maintenance access is not required.

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