NU310

Tier-one manufacturer — brand supplied may vary ✓ Dimensions checked: ISO table and supplier data agree
$57.95 USD
$57.95 USD
Sale Sold out
Bore50 mm 1.9685 in
Outside dia.110 mm 4.3307 in
Width27 mm 1.063 in
TypeCylindrical 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
  • NU310 — illustration
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Image is for illustration purposes only.

What NU310 means

CodePositionMeaning
NU Type Cylindrical roller bearing, type NU: two flanges on the outer ring, none on the inner ring (inner ring can float axially)
3 Diameter series Diameter series 3 (medium)
10 Bore Bore code 10 × 5 = 50 mm

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

NU310 specifications

Specification Metric Inch Basis
Bore (d) 50 mm 1.9685 in ISO table for this designation, confirmed by supplier data
Outside diameter (D) 110 mm 4.3307 in ISO table for this designation, confirmed by supplier data
Width (B) 27 mm 1.063 in ISO table for this designation, confirmed by supplier data
Bearing type Cylindrical 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
Tolerance class Normal (ISO P0 / ABEC 1): no tolerance-class code Stated by the designation

NU310 is a cylindrical roller bearing, 50 mm bore × 110 mm OD × 27 mm wide (1.9685 × 4.3307 × 1.063 in).

The NU310 is a cylindrical roller bearing with a 50mm bore diameter, 110mm outside diameter, and 27mm width. This single-row bearing design features high radial load capacity and is suitable for applications requiring rigid radial support with axial freedom in one direction.

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