21317K

Tier-one manufacturer — brand supplied may vary ✓ Bore checked against the ISO table
$170.00 USD
$170.00 USD
Sale Sold out
Bore85 mm 3.3465 in
Outside dia.180 mm 7.0866 in
Width41 mm 1.6142 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
  • 21317K — illustration
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Image is for illustration purposes only.

What 21317K means

CodePositionMeaning
2 Type Spherical roller bearing
1 Width series Width series 1
3 Diameter series Diameter series 3 (medium)
17 Bore Bore code 17 × 5 = 85 mm
K Bore type Tapered bore, taper 1:12 (mounts on an adapter or withdrawal sleeve)

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

21317K specifications

Specification Metric Inch Basis
Bore (d) 85 mm 3.3465 in ISO table for this designation, confirmed by supplier data
Outside diameter (D) 180 mm 7.0866 in Supplier catalogue listing
Width (B) 41 mm 1.6142 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 Tapered bore (1:12) Stated by the designation
Tolerance class Normal (ISO P0 / ABEC 1): no tolerance-class code Stated by the designation

21317K is a spherical roller bearing, 85 mm bore × 180 mm OD × 41 mm wide (3.3465 × 7.0866 × 1.6142 in). It has a tapered bore (1:12).

The 21317K is a spherical roller bearing from the 213 series, featuring an 85 mm tapered bore (1:12 taper ratio). Spherical roller bearings use barrel-shaped rollers running on a spherical outer ring raceway, enabling them to accommodate misalignment and combined radial and axial loads.

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