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Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
Availability:
1 in stock
Spherical roller bearing, 45 mm 1:12 tapered bore x 100 mm OD x 25 mm wide, open, normal clearance. Mounts on an H309 adapter sleeve for a 40 mm shaft.
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$52.73
1 in stock
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| MFR / Brand | SNR |
|---|---|
| MPN | 21309K |
| Model | 21309 K |
| Bearing Type | Spherical Roller Bearing, Open |
| ID | 45 mm |
| OD | 100 mm |
| Width | 25 mm |
| Series | 21300 |
|---|---|
| Material | Bearing Steel |
| Base Number | 21309 |
| Industry Terms | spherical roller bearing, self-aligning roller bearing, tapered bore bearing, adapter sleeve bearing, 21300 series |
| Common Misspellings | 21309X, 21390K, 2139K, 21309KK |
| Overall Width | 25 mm |
| Mpn Variants | 21309K, 21309 K, 21309-K, 21309.K, 21309VK, 21309 V K |
| Compatible With Replaces | Adapter sleeve H309 |
| Rolling Elements | Spherical Roller |
| Number Of Rows | 2 |
| Bore Type | Tapered 1:12 |
| Snap Ring Included | No |
| Internal Clearance | CN |
| Lubricant | Grease or oil |
| Harmonization Code | 8482.30.00 |
| Maximum Permissible Misalignment | 0.5° at normal load |
| Cross Reference 1 | SKF 21309 EK (E design) |
|---|---|
| Cross Reference 2 | FAG 21309-E1-K (E1 design) |
| Cross Reference 3 | NSK 21309EAKE4 (EA design) |
| Cross Reference 4 | NTN 21309EAKD1 (EA design) |
The SNR 21309K is a double-row spherical roller bearing with a 1:12 tapered bore, from the ISO 213 series. Bore Diameter: 45 mm. Outside Diameter: 100 mm. Overall Width: 25 mm. Two rows of barrel-shaped rollers run on a common spherical outer ring raceway, carrying radial load and axial load in both directions while accommodating shaft deflection and housing misalignment.
213 — spherical roller bearing, ISO dimension series 03.
09 — bore code 09: 45 mm bore, 100 mm outside diameter, 25 mm width.
K — 1:12 tapered bore.
Bore Diameter: 45 mm. Outside Diameter: 100 mm. Overall Width: 25 mm. Rolling Elements: Spherical Roller. Number Of Rows: 2. Bore Type: Tapered 1:12. Closure Type: Open. Internal Clearance: CN. Maximum Permissible Misalignment: 0.5° at normal load. Lubricant: grease or oil. Snap Ring Included: No. Unit Quantity: 1 Pc.
The 1:12 tapered bore mounts on an H309 adapter sleeve, which seats the bearing on a 40 mm shaft and is locked with a KM9 locknut and MB9 lock washer. The tapered bore also mounts directly on a matching 1:12 tapered journal.
Other makers’ 21309 K sizes, 45 x 100 x 25 mm with 1:12 taper: SKF 21309 EK, FAG 21309-E1-K, NSK 21309EAKE4 and NTN 21309EAKD1. Each carries its own maker’s load ratings. Also written 21309K, 21309 K, 21309-K, 21309.K, 21309VK and 21309 V K.
45 mm bore, 100 mm outside diameter, 25 mm wide, 1:12 tapered bore.
An H309 adapter sleeve on a 40 mm shaft, with a KM9 locknut and MB9 lock washer.
Two rows of spherical rollers.
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Rockwell’s own product page for the Kinetix 6000 is down
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