IKO BR243320 Needle Roller Bearing: High-Performance Solution for Industrial Automation
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What is the IKO BR243320 needle roller bearing?
The BR243320 is an IKO machined-type needle roller bearing from Nippon Thompson Co., Ltd. — the 24 × 32 × 20 mm size (24 mm bore, 32 mm outside diameter, 20 mm width) with a solid outer ring, an inner ring and a needle-roller-and-cage assembly, used where a compact bearing must carry high radial load in a small envelope: machine-tool spindles, robot joints, printing and packaging machinery. The photo set shows sixteen of them, each in its own red-white-black IKO box (BR243320, 1PCS, NIPPON THOMPSON CO., LTD.) with the ring engraved BR243320 and the outer face marked IKO JAPAN. New in original packaging with a one-year warranty per the intake record (made in Japan, sixteen pieces); they passed through the Koeed warehouse on 20 October 2025 (about 3 kg per the record), and the nine photos and video below show them as received.
Part details
| Field | Value |
|---|---|
| Manufacturer | IKO — Nippon Thompson Co., Ltd., made in Japan (ring marked "IKO JAPAN") |
| Type number | BR243320 — machined-type needle roller bearing with inner ring |
| Dimensions | 24 mm bore × 32 mm outside diameter × 20 mm width (per the 243320 designation) |
| Construction | Solid outer ring, inner ring, needle-roller-and-cage assembly; induction-hardened raceways |
| Packaging | One bearing per IKO box, 16 boxes |
| Condition | New in original packaging (per intake record); one-year warranty |
| Weight | About 3 kg per record (the set) |
| Intake recorded | 20 October 2025 |
Fitting notes
The BR series is the machined-ring grade — stiffer and more accurate than pressed-shell types — so it suits rotating applications, not just static pivots: fit the outer ring into the housing (H7), slide the inner ring onto the shaft, and grease through the accessible side before closing the joint. The 20 mm width gives generous load capacity for the 24 mm bore, which is why this size shows up in robot wrist joints and cam followers. All sixteen here are one Japan build with identical engraving — a matched set for a rebuild or a long-term spares drawer.
Photos and video
All images below are original warehouse photos of the exact bearings covered by this record, taken before dispatch. Click any photo to view it full size.
For a tapered roller bearing of a different size, see the HEZO 32007X record — the 35 mm tapered set from the same shelf.
Sourcing help
KOEED supplies IKO needle roller bearings and motion components, in active and EOL stock. Send the part number for a quote.
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