51311

Tier-one manufacturer — brand supplied may vary ✓ Bore checked against the ISO table
$100.00 USD
$100.00 USD
Sale Sold out
Bore55 mm 2.1654 in
Outside dia.105 mm 4.1339 in
Height35 mm 1.378 in
TypeThrust ball bearing
SealingOpen
Ships from US partner stock — flat-rate shipping, calculated by weight at checkout
  • 51311 Thrust Ball Bearings
1 1

Image is for illustration purposes only.

What 51311 means

CodePositionMeaning
5 Type Thrust ball bearing
1 Height series Height series 1
3 Diameter series Diameter series 3 (medium)
11 Bore Bore code 11 × 5 = 55 mm

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

51311 specifications

Specification Metric Inch Basis
Bore (d) 55 mm 2.1654 in ISO table for this designation, confirmed by supplier data
Outside diameter (D) 105 mm 4.1339 in Supplier catalogue listing
Height (H) 35 mm 1.378 in Supplier catalogue listing
Bearing type Thrust ball bearing Stated by the designation
Seals / shields Open (no seals or shields) Stated by the designation
Tolerance class Normal (ISO P0 / ABEC 1): no tolerance-class code Stated by the designation

51311 is a thrust ball bearing, 55 mm bore × 105 mm OD × 35 mm wide (2.1654 × 4.1339 × 1.378 in).

The 51311 is a thrust ball bearing designed to support primarily axial loads in one direction. With a bore diameter of 55 mm and belonging to the 513 series, this bearing uses ball elements positioned between hardened raceways to accommodate thrust forces with minimal friction.

Related sizes & variants

  • 51308 · 40×78×26 mm · Open
  • 51309 · 45×85×28 mm · Open
  • 51310 · 50×95×31 mm · Open
  • 51312 · 60×110×35 mm · Open
  • 51313 · 65×115×36 mm · Open
  • 51314 · 70×125×40 mm · Open