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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.
Availability:
2 in stock
Two-row tapered roller bearing assembly, 4.2500 in bore, 6.3750 in OD. Timken 48190-99012 with 48190 cones, 48120 cups and Y1S/Y2S spacers, new.
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2 in stock
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| MFR / Brand | Timken |
|---|---|
| MPN | 48190-99012 |
| Model | 48190 48120 Y1S-48120 Y2S-48120 |
| Bearing Type | Tapered Roller Bearing Assembly |
| ID | 4.2500 in (107.950 mm) |
| OD | 6.3750 in (161.925 mm) |
| Series | 48100 |
|---|---|
| Mpn Variants | 48190-99012, 48190/48120, Y1S-48120, Y2S-48120 |
| Additional Attributes | Shaft backing shoulder 4.57 in front / 4.8 in back; housing backing shoulder 6.16 in front / 5.75 in back; max shaft fillet 0.140 in; max housing fillet 0.130 in |
| Rolling Elements | Tapered Roller |
| Number Of Rows | 2 |
| Harmonization Code | 8482.2 |
| Cup Part Number | 48120 |
| Cup Width | 1.0625 in (26.988 mm) |
| Cone Part Number | 48190 |
| Cone Width | 1.3750 in (34.925 mm) |
| Cone Backface To Clear Radius | 0.140 in (3.56 mm) |
| Cone Frontface Backing Diameter | 4.57 in (116 mm) |
| Effective Center Location | 0.15 in (3.8 mm) |
| Industry Terms | double row tapered roller bearing; two-row taper bearing assembly with spacers; TDO tapered roller bearing |
| Common Misspellings | Timkin 48190-99012; Timken 4819099012; Timken 48190 99012 |
| Application Types | Heavy-duty shafts using two-row tapered roller bearings |
Timken 48190-99012 is a two-row tapered roller bearing assembly built from 48190 cones, 48120 cups and Y1S-48120 / Y2S-48120 spacers, supplied as the factory set marked 48190-99012. Unit Quantity: 1 Set. Condition: New.
48190 — Timken cone (inner ring, rollers and cage). Bore 4.2500 in, cone width 1.3750 in (34.925 mm).
48120 — Timken cup (outer ring). Outside diameter 6.3750 in, cup width 1.0625 in (26.988 mm).
Y1S / Y2S — Timken cup spacers that set the axial position of the two cups in the assembly.
-99012 — Timken assembly number for this factory-set combination of cones, cups and spacers.
Rolling Elements: Tapered Roller. Number Of Rows: 2. Bore Diameter: 4.2500 in (107.950 mm). Outside Diameter: 6.3750 in (161.925 mm). Cone Width: 1.3750 in (34.925 mm). Cup Width: 1.0625 in (26.988 mm). Effective Center Location: 0.15 in (3.8 mm). Series: 48100. Bearing Material: Case-Hardened Steel.
Shaft Backing Shoulder Diameter (frontface): 4.57 in (116 mm). Shaft Backing Shoulder Diameter (backface): 4.8 in (122 mm). Housing Backing Shoulder Diameter (frontface): 6.16 in (156.00 mm). Housing Backing Shoulder Diameter (backface): 5.75 in (146.05 mm). Max Shaft Fillet Radius: 0.140 in (3.56 mm). Max Housing Fillet Radius: 0.130 in (3.30 mm). These values are from the Timken 48190/48120 single-row page.
The single-row Timken 48190/48120 pair shares the cone and cup. The -99012 assembly adds the matched spacers Y1S-48120 and Y2S-48120.
Bore Diameter is 4.2500 in (107.950 mm) and Outside Diameter is 6.3750 in (161.925 mm).
It is a two-row assembly of 48190 cones, 48120 cups and Y1S-48120 / Y2S-48120 spacers, supplied as one factory set.
48190 is the Timken cone (bore 4.2500 in, width 1.3750 in) and 48120 is the Timken cup (OD 6.3750 in, width 1.0625 in).
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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