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Biedler's Belts
Gates Belts, Pulleys, and Sprockets
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Two Groove 4L or 5L - Bored-to-Size

Part Number Outside Diameter (inch) Pitch Diameter 4L (inch) Pitch Diameter 5L (inch) Number of Grooves Product Number Price
2BK36.3/4 3.75 3 3.4 2 78057273
$ 44.15
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2BK36.7/8 3.75 3 3.4 2 78057274
$ 44.15
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2BK36 1 3.75 3 3.4 2 78057275
$ 44.15
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2BK36 1.1/8 3.75 3 3.4 2 78057276
$ 44.15
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2BK45 1 4.25 3.5 3.9 2 78057277
$ 49.64
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2BK45 1.1/8 4.25 3.5 3.9 2 78057281
$ 49.64
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2BK45 1.3/8 4.25 3.5 3.9 2 78057282
$ 49.64
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2BK47.7/8 4.45 3.7 4.1 2 78057284
$ 50.24
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2BK47 1 4.45 3.7 4.1 2 78057285
$ 50.24
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2BK47 1.1/8 4.45 3.7 4.1 2 78057286
$ 50.24
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2BK50.3/4 4.75 4 4.4 2 78057288
$ 53.01
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2BK50 1 4.75 4 4.4 2 78057290
$ 53.01
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2BK50 1.1/8 4.75 4 4.4 2 78057291
$ 53.01
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2BK50 1.3/8 4.75 4 4.4 2 78057292
$ 53.01
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2BK52.7/8 4.95 4.2 4.6 2 78057294
$ 53.33
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2BK52 1 4.95 4.2 4.6 2 78057295
$ 53.33
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2BK52 1.1/8 4.95 4.2 4.6 2 78057296
$ 53.33
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2BK52 1.3/8 4.95 4.2 4.6 2 78057297
$ 53.33
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2BK55 1.1/8 5.25 4.5 4.9 2 78057301
$ 57.57
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2BK57 1 5.45 4.7 5.1 2 78057304
$ 59.22
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2BK57 1.1/8 5.45 4.7 5.1 2 78057305
$ 59.22
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2BK60.3/4 5.75 5 5.4 2 78057306
$ 61.82
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2BK60.7/8 5.75 5 5.4 2 78057307
$ 61.82
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2BK60 1 5.75 5 5.4 2 78057308
$ 61.82
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2BK60 1.1/8 5.75 5 5.4 2 78057309
$ 61.82
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