Timken vs. SKF Bearings: The Difference Between Tier-1 Bearing Brands
When sourcing a replacement bearing, you will often find both Timken and SKF options for
Availability:
2 in stock
Martin SF-BB QD (quick-detachable) idler bushing, 2-1/8 in (53.98 mm) bore, SF flange, dual ball bearings, 6-bolt, steel — new old stock.
List Price
$169.11
2 in stock
2 in stock
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| MFR / Brand | Martin |
|---|---|
| MPN | SF-BB |
| Model | SFBB |
| Material | Steel |
|---|---|
| Condition | New – Open box |
| Type | Quick Disconnect Idler Shaft Bushing |
| Category Id | 35565 |
| Currency | USD |
| Condition Note | New Old Stock |
The Martin SF-BB is a QD (quick-detachable) idler bushing that converts a stationary shaft into a rotating idler for belt and chain drives, carrying two internal ball bearings on a 2-1/8 in (53.98 mm) bore. The SF-series flange is 4-5/8 in (117.5 mm) OD × 9/16 in (14.3 mm) thick with a 6-bolt hole pattern and a 1-1/2 in (38.1 mm) barrel; overall length 5 in (127 mm), bore length 2-1/16 in (52.4 mm), 5/16-18 setscrews, weight approx. 5.0 lb (2.27 kg). Radial load capacity ranges from 2,550 lb at 100 rpm to 1,180 lb at 1,000 rpm. Martin is Martin Sprocket & Gear. Also written SFBB, SF BB. Used on conveyor idlers, take-up idlers, and belt/chain tensioning.
$114.73
2 in stock
$76.39
3 in stock
$24.64
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5 in stock
$51.60
4 in stock
$44.03
5 in stock
$24.64
9 in stock
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