Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Availability:
4 in stock
Single-row deep groove ball bearing, 35 mm bore x 80 mm OD x 21 mm outer ring width, extended inner ring, open both faces, CN clearance, 6307 envelope.
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$28.05

4 in stock
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| MFR / Brand | MRC |
|---|---|
| MPN | 307SWI |
| Model | 307SW1 6307 |
| Bearing Type | Deep Groove Ball Bearing |
| OD | 80 mm (3.1496 in) |
| Base Number | 6307 |
|---|---|
| Industry Terms | extended inner ring bearing, wide inner ring bearing, 6307 bearing, deep groove ball bearing, 35mm bore bearing |
| Common Misspellings | MRC 307 SWI, 307SW1, 307SWl, MCR 307SWI, 307 S WI, 6307SWI |
| Application Types | Electric motors, gearboxes, pumps, fans and blowers, conveyor drives, agricultural machinery |
| Overall Width | 21 mm (0.8268 in) |
| Bore Shaft Size | 35 mm (1.3780 in) |
| Mpn Variants | 307SWI, 307SW1, 307 SWI, 307-SWI, MRC307SWI, 307S, 307 |
| Number Of Rows | 1 |
| Snap Ring Included | No |
| Internal Clearance | CN (normal) |
| Design Units | Metric |
| Bearing Material | Through-hardened bearing steel |
| Part Number | 307SWI |
| Closure Type | Open both faces |
An MRC 307SWI single-row deep groove ball bearing with an extended inner ring. Bore 35 mm, outside diameter 80 mm, outer ring width 21 mm. Open on both faces. The envelope is the 6307 size with an extended inner ring giving a longer inner ring contact length on the shaft.
307 — MRC 300-series single-row deep groove ball bearing, 35 mm bore, ISO 6307 envelope.
S — MRC single-row ball bearing type code.
WI — extended (wide) inner ring; the inner ring projects axially beyond the outer ring.
Bore Diameter: 35 mm (1.3780 in). Outside Diameter: 80 mm (3.1496 in). Overall Width: 21 mm (0.8268 in), outer ring. Inner Ring: extended beyond the outer ring. Number Of Rows: 1. Rolling Elements: Balls. Closure Type: Open both faces. Internal Clearance: CN (normal). Bearing Material: Through-hardened bearing steel. Design Units: Metric. Unit Quantity: 1 Pc.
Outer ring width is the standard 6307 21 mm, so the housing bore, retaining ring groove and end cap dimensions follow 6307. The extended inner ring lengthens the shaft seat and the face available to a shoulder, spacer or collar.
Plain 6307 shares the 35 x 80 x 21 mm envelope but has flush ring faces, so it is a related size and not the same bearing. MPN variants: 307SWI, 307SW1, 307 SWI, 307-SWI, MRC307SWI, 307S, 307.
Extended (wide) inner ring.
35 mm bore, 80 mm outside diameter, 21 mm outer ring width.
No. It is open on both faces.
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Our team can locate, cross-reference, and source all parts.
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