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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
If you pulled a bearing off general industrial equipment at random, there’s a good chance
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1 in stock
Martin 4 B 86 TB four-groove A/B section V-belt sheave, 8.6 in pitch diameter, 8.95 in OD, 3-1/4 in face, 2517 taper bushing bore, gray cast iron.
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| MFR / Brand | Martin |
|---|---|
| MPN | 4 B 86 TB |
| GTIN | 697950155586 |
| Model | 4-B-86-TB |
| ID | 1/2 to 2-1/2 in |
| OD | 8.95 in |
| Type | V-Belt Sheave |
|---|---|
| Industry Terms | V-belt sheave, pulley, taper bushed sheave, 4 groove B sheave |
| Pitch Diameter | 8.6 in |
| Mpn Variants | 4 B 86 TB, 4B86TB, 4-B-86-TB, 4B86 TB 2517, 4B8.6 |
| Additional Attributes | Construction: Type A-2 web; Overall length 3-1/4 in |
| Material | Class 30 Gray Cast Iron |
| Bore Type | TB Bushed (2517) |
| Common Misspellings | Marten 4B86TB; Martin 4B 86TB; Martin 4B86-TB; Martin 4B-86TB |
| Application Types | Conventional V-belt drives; motor and fan drives; industrial machinery power transmission |
| Bushing Type | 2517 Taper-Lock |
The Martin 4 B 86 TB is a four-groove conventional V-belt sheave for A and B section belts, with an 8.6 in pitch diameter and a tapered bore that takes a 2517 Taper-Lock bushing. Type A-2 web construction in Class 30 gray cast iron.
4 — four grooves.
B — B section groove, also runs A section belts.
86 — 8.6 in pitch diameter.
TB — taper bushed, 2517 bushing.
Number of Grooves: 4. Belt Section: A/B. Pitch Diameter: 8.6 in. Outside Diameter: 8.95 in. Face Width: 3-1/4 in. Overall Length: 3-1/4 in. Bore Type: TB bushed. Bushing: 2517 Taper-Lock. Bore Range: 1/2 to 2-1/2 in with bushing. Construction: Type A-2 web. Material: Class 30 gray cast iron.
Outside Diameter: 8.95 in (8-15/16 in). Face Width: 3-1/4 in. Tapered hub bore for a 2517 Taper-Lock bushing, shaft bores 1/2 to 2-1/2 in.
Replaces Martin 4 B 86 TB, 4B86TB and 4-B-86-TB. Takes any 2517 Taper-Lock bushing. GTIN: 697950155586.
A 2517 Taper-Lock bushing, for shaft bores from 1/2 to 2-1/2 in.
A and B section V-belts, four belts across.
8.6 in, with an 8.95 in outside diameter.
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