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Single-row barrel roller bearing, 40 mm bore x 90 mm OD x 23 mm wide. Cylindrical bore, machined brass cage, radial load with self-alignment. 1 Pc.
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| MFR / Brand | FAG |
|---|---|
| MPN | 20308MB |
| Model | 20308-MB |
| Bearing Type | Spherical Roller Bearing, Open |
| ID | 40 mm |
| OD | 90 mm |
| Width | 23 mm |
| Condition | New |
|---|---|
| Material | Bearing Steel |
| Base Number | 20308 |
| Bore Shaft Size | 40 mm (1.5748 in) |
| Mpn Variants | 20308-MB, 20308MB, 20308M, 20308 |
| Min Temp | -30°C |
| Cage Type | Brass |
| Dynamic Load Rating | 76.5 kN |
| Static Load Rating | 75 kN |
| Precision Rating | ABEC 1 / P0 |
| Rolling Elements | Spherical Rollers |
| Max Temp | 150°C |
| Item Weight | 1.63 lbs |
| Cage Material | Machined brass |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Relubrication Feature | Yes |
| Internal Clearance | CN |
| Cross Reference 1 | SKF 20308 |
|---|---|
| Cross Reference 2 | NTN 20308 |
FAG 20308-MB, a single-row barrel roller bearing. One row of barrel-shaped rollers runs on a spherical outer raceway, so the inner ring, roller set and cage swivel inside the outer ring. Boundary dimensions 40 mm bore × 90 mm outside diameter × 23 mm width. Cylindrical bore.
20 – barrel roller, single row3 – ISO dimension series, heavier section than the 202xx range on the same bore08 – bore code, 8 × 5 = 40 mm boreMB – machined brass cage, inner-ring guided
The barrel roller carries radial load and self-aligns on its spherical outer raceway, taking shaft deflection and housing misalignment without edge loading the rollers. Load is radial only. The 203 section is wider and larger in outside diameter than a 20208 on the same 40 mm shaft, which buys longer rollers and higher radial capacity. The machined brass cage runs at higher speed and temperature than a pressed steel cage.
Bore: 40 mm (1.5748 in)Outside diameter: 90 mm (3.5433 in)Width: 23 mm (0.9055 in)Rows: 1Bore form: cylindricalCage: machined brass, MBInternal clearance: CN (normal)
1 Pc. Bearing only, cylindrical bore, mounted directly on the shaft seat.
Alternate written forms of the same bearing: 20308-MB, 20308MB, 20308M, 20308. The tapered-bore 20308K.MB is a related size with a different bore form. The 22308 is a double-row spherical roller bearing, a different bearing type.
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