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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.
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7 in stock
Tapered roller bearing cup, 3.7500 in OD x 0.8750 in wide, Class 3 precision, 0.8 kg. Timken 33821-3 single cup, 33800 series; mates with the 33895 cone.
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7 in stock
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| MFR / Brand | Timken |
|---|---|
| MPN | 33821-3 |
| Model | 33821 #3 |
| Bearing Type | Tapered Roller Bearing Cup |
| OD | 3.7500 in (95.250 mm) |
| Width | 0.8750 in (22.225 mm) |
| Material | Bearing Steel |
|---|---|
| Series | 33800 Series |
| Mpn Variants | 33821-3, 33821, 33821 #3, 33821*3, 338213 |
| Compatible With Replaces | Timken 33895 cone |
| Precision Class | Class 3 |
| Additional Attributes | e 0.33; Y 1.82; Da 90.42 mm; Db 85.09 mm |
| Precision Rating | Class 3 |
| Rolling Elements | Tapered Roller |
| Item Weight | 0.8 kg (1.8 lb) |
| Number Of Rows | 1 |
| Harmonization Code | 8482.99.15 |
| Bearing Class | Class 3 |
| Cup Width | 0.8750 in (22.225 mm) |
| Cup Backface To Clear Radius | 0.090 in (2.29 mm) |
| Cup Frontface Backing Diameter | 3.56 in (90.42 mm) |
| Cross Reference 1 | Timken 33821 - no Class 3 suffix |
|---|---|
| Cross Reference 2 | Koyo 33821 - no Class 3 suffix |
| Cross Reference 3 | NTN 4T-33821 - no Class 3 suffix |
| Cross Reference 4 | SKF 33821 - no Class 3 suffix |
Timken 33821-3 is a Class 3 single cup (outer ring) for a single-row tapered roller bearing, 33800 series. Cup only; the matching cone is Timken 33895 (the 33895/33821 set). Condition: New, open box. Sold as 1 piece.
33821 — Timken single cup, 3.7500 in OD, 33800 series.
-3 / #3 — Timken Class 3 precision: tighter tolerance and lower running vibration.
Outside Diameter: 3.7500 in (95.250 mm).
Cup Width: 0.8750 in (22.225 mm).
Precision Class: Class 3.
e Factor: 0.33.
Y Factor: 1.82.
Rolling Elements: Tapered Roller.
Number Of Rows: 1.
Material: Bearing Steel.
Series: 33800 Series.
Item Weight: 0.8 kg (1.8 lb).
Unit Quantity: 1 Pc.
Max Housing Fillet Radius: 0.090 in (2.29 mm).
Housing Backing Shoulder Diameter: 3.56 in (90.42 mm) frontface, 3.35 in (85.09 mm) backface.
Matching cone: Timken 33895.
Same-number cups: Timken 33821, Koyo 33821, NTN 4T-33821 and SKF 33821. These carry the number without the Class 3 suffix.
Part number forms: 33821-3, 33821 #3, 33821*3, 338213.
Timken 33895 is the matching cone; the 33895/33821 is the set.
Outside Diameter: 3.7500 in (95.250 mm). Cup Width: 0.8750 in (22.225 mm). Precision Class: Class 3.
The -3 suffix marks Timken Class 3 precision: tighter tolerance and lower running vibration.
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Our team can locate, cross-reference, and source all parts.
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