2309

Tier-one manufacturer — brand supplied may vary ✓ Bore checked against the ISO table
$100.00 USD
$100.00 USD
Sale Sold out
Bore45 mm 1.7717 in
Outside dia.100 mm 3.937 in
Width36 mm 1.4173 in
TypeSelf-aligning ball bearing
SealingOpen
ClearanceNormal
Ships from US partner stock — flat-rate shipping, calculated by weight at checkout
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Image is for illustration purposes only.

What 2309 means

CodePositionMeaning
23 Series Series 23: self-aligning ball bearing, wide (width series 2), diameter series 3 (medium). The type digit 1 is left out of these numbers
09 Bore Bore code 09 × 5 = 45 mm

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

2309 specifications

Specification Metric Inch Basis
Bore (d) 45 mm 1.7717 in ISO table for this designation, confirmed by supplier data
Outside diameter (D) 100 mm 3.937 in Supplier catalogue listing
Width (B) 36 mm 1.4173 in Supplier catalogue listing
Bearing type Self-aligning ball bearing Stated by the designation
Seals / shields Open (no seals or shields) Stated by the designation
Internal clearance Normal (CN): no clearance code in the designation Stated by the designation
Bore Cylindrical (straight) bore Stated by the designation
Tolerance class Normal (ISO P0 / ABEC 1): no tolerance-class code Stated by the designation
Material Steel Supplier catalogue listing

2309 is a self-aligning ball bearing, 45 mm bore × 100 mm OD × 36 mm wide (1.7717 × 3.937 × 1.4173 in).

Self-aligning ball bearings feature two rows of balls running on a spherical outer ring raceway, allowing the bearing to compensate for angular misalignment between the shaft and housing. The 2309 has a 45mm bore diameter and belongs to the 23 series.

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