21306

Tier-one manufacturer — brand supplied may vary ✓ Bore checked against the ISO table
$54.95 USD
$54.95 USD
Sale Sold out
Bore30 mm 1.1811 in
Outside dia.72 mm 2.8346 in
Width19 mm 0.748 in
TypeSpherical roller bearing
SealingOpen
ClearanceNormal
Ships separately from our European warehouse — shipping from $79, quoted at checkout
Ships from our European partner stock — allow 5–8 business days
  • 21306 — illustration
1 1

Image is for illustration purposes only.

What 21306 means

CodePositionMeaning
2 Type Spherical roller bearing
1 Width series Width series 1
3 Diameter series Diameter series 3 (medium)
06 Bore Bore code 06 × 5 = 30 mm

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

21306 specifications

Specification Metric Inch Basis
Bore (d) 30 mm 1.1811 in ISO table for this designation, confirmed by supplier data
Outside diameter (D) 72 mm 2.8346 in Supplier catalogue listing
Width (B) 19 mm 0.748 in Supplier catalogue listing
Bearing type Spherical roller 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

21306 is a spherical roller bearing, 30 mm bore × 72 mm OD × 19 mm wide (1.1811 × 2.8346 × 0.748 in).

The 21306 is a spherical roller bearing with a 30mm bore diameter, 72mm outside diameter, and 19mm width. Spherical roller bearings feature barrel-shaped rollers running on a spherical outer ring raceway, providing self-aligning capability to accommodate shaft deflection and misalignment.

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