6318-Z

Tier-one manufacturer — brand supplied may vary ✓ Dimensions checked: ISO table and supplier data agree
Regular price $245.00 USD
Regular price Sale price $245.00 USD
Sale Sold out
Bore90 mm 3.5433 in
Outside dia.190 mm 7.4803 in
Width43 mm 1.6929 in
TypeDeep groove ball bearing
SealingMetal shield, one side
ClearanceNormal
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Image is for illustration purposes only.

What 6318-Z means

CodePositionMeaning
6 Type Deep groove ball bearing
3 Diameter series Diameter series 3 (medium): fixes OD and width for the bore (ISO 15)
18 Bore Bore code 18 × 5 = 90 mm
Z Closure Metal shield, one side

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

6318-Z specifications

Specification Metric Inch Basis
Bore (d) 90 mm 3.5433 in ISO table for this designation, confirmed by supplier data
Outside diameter (D) 190 mm 7.4803 in ISO table for this designation, confirmed by supplier data
Width (B) 43 mm 1.6929 in ISO table for this designation, confirmed by supplier data
Bearing type Deep groove ball bearing Stated by the designation
Seals / shields Metal shield, one side 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

6318-Z is a deep groove ball bearing, 90 mm bore × 190 mm OD × 43 mm wide (3.5433 × 7.4803 × 1.6929 in). It has a metal shield on one side.

The 6318-Z is a deep groove ball bearing with a 90mm bore diameter, 190mm outside diameter, and 43mm width. It features a single metal shield on one side, providing protection from contaminants while allowing heat dissipation from the open side.