33018-90KA1

Tier-one manufacturer — brand supplied may vary ✓ Bore checked against the ISO table
Regular price $125.00 USD
Regular price Sale price $125.00 USD
Sale Sold out
Bore90 mm 3.5433 in
Outside dia.140 mm 5.5118 in
Width, assembled39 mm 1.5354 in
TypeTapered roller bearing (metric, ISO 355)
SealingOpen
Ships from US partner stock — flat-rate shipping, calculated by weight at checkout
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Image is for illustration purposes only.

What 33018-90KA1 means

CodePositionMeaning
3 Type Tapered roller bearing (metric)
3 Width series Width series 3
0 Diameter series Diameter series 0 (extra light)
18 Bore Bore code 18 × 5 = 90 mm
90K Maker code Manufacturer-specific code, not decoded here. Ask us if it matters for your application.
A1 Maker code Manufacturer-specific code, not decoded here. Ask us if it matters for your application.

Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Codes marked "not decoded" are maker-specific; ask us if one matters for your application. Decode any other number with the bearing number decoder.

33018-90KA1 specifications

Specification Metric Inch Basis
Bore (d) 90 mm 3.5433 in ISO table for this designation, confirmed by supplier data
Outside diameter (D) 140 mm 5.5118 in Supplier catalogue listing
Width, assembled (T) 39 mm 1.5354 in Supplier catalogue listing
Bearing type Tapered roller bearing (metric, ISO 355) Stated by the designation
Seals / shields Open Supplier catalogue listing
Bore Tapered bore (1:12) Stated by the designation
Cage Stamped Steel Cage-cone backface clearance:1.3 mm Supplier catalogue listing
Configuration Matched bearing assembly (90-series assembly suffix) Stated by the designation

Equivalent to / interchanges with

Also listed in manufacturer interchange tables (3): confirm suffix codes before ordering
  • SKF 33018 (Timken Interchange Guide)
  • TIMKEN 33018 (Timken Interchange Guide)
  • NTN 33018U (Timken Interchange Guide)

These carry maker-specific suffix codes (cage, lubrication groove, design) that we have not matched one-for-one. The size is the same; check the codes against your application.

Equivalents are dimensional and closure-for-closure: same bore, outside diameter, width, seals or shields and internal clearance. Bearing interchange tables

33018-90KA1 is a tapered roller bearing (metric, ISO 355), 90 mm bore × 140 mm OD × 39 mm wide (3.5433 × 5.5118 × 1.5354 in). It has a tapered bore (1:12).

The 33018-90KA1 is a metric tapered roller bearing assembly from the 330 series, featuring a 90mm tapered bore (1:12 taper) design. This matched bearing assembly is supplied as a complete unit ready for installation in tapered shaft applications.

33018-90KA1 TRB Metric Assembly 4-8 OD