store 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
Availability:
3 in stock
Bower 78215/78551 tapered roller bearing cone and cup set, 2-1/8 in bore, 5.513 in OD, steep-angle 78000 series. Interchanges with Timken 78215/78551; 203,000 N dynamic rating.
List Price
$90.22
3 in stock
On the Shelf & Ready to Ship
On all orders
No Risk, No Hassle
| MFR / Brand | Bower |
|---|---|
| MPN | 78215/78551 |
| Model | 78215-78551 |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 2.1250 in (53.975 mm) |
| OD | 5.5130 in (140.030 mm) |
| Mpn Variants | 78215/78551, 78215 78551, 78215-78551, 78215 cone, 78551 cup |
|---|---|
| Precision Class | Not specified |
| Additional Attributes | Cone Width: 1.3085 in (33.236 mm); Cup Width: 0.9260 in (23.520 mm); C90: 52,600 N; Ca90: 77,900 N; K Factor: 0.67; e: 0.87; Y: 0.69; Max Shaft Fillet: 0.140 in; Max Housing Fillet: 0.090 in |
| Dynamic Load Rating | 203,000 N |
| Static Load Rating | 193,000 N |
| Rolling Elements | Tapered Roller |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Cross Reference 1 | Timken 78215/78551 |
|---|
Bower 78215/78551 is a single-row inch tapered roller bearing set: a 78215 cone (inner ring, rollers and cage) and a 78551 cup (outer ring). Bore Diameter: 2.1250 in (53.975 mm). Outside Diameter: 5.5130 in (140.030 mm). The steep cup angle (e Factor 0.87) gives the set a high thrust capacity relative to its radial rating.
78215 — ABMA cone number, 2-1/8 in bore, 78000 series.
78551 — ABMA cup number, 5.5130 in OD, 0.9260 in cup width.
78215/78551 — cone/cup pair forming one complete single-row bearing.
Catalogue data for the same ABMA numbers (Timken): Dynamic Load Rating: 203,000 N (C1, 1 million revolutions). Static Load Rating: 193,000 N. Dynamic Radial Rating C90: 52,600 N. Dynamic Axial Rating Ca90: 77,900 N. K Factor: 0.67. e Factor: 0.87. Y Factor: 0.69.
Cone Width: 1.3085 in (33.236 mm). Cup Width: 0.9260 in (23.520 mm). Max Shaft Fillet Radius: 0.140 in (3.6 mm). Max Housing Fillet Radius: 0.090 in (2.29 mm). Shaft Backing Shoulder Diameter: 2.95 in (75 mm) front face, 3.19 in (81 mm) back face. Housing Backing Shoulder Diameter: 5.22 in (132.59 mm) front face, 4.61 in (117.09 mm) back face. Effective Center Location: 0.31 in (7.9 mm).
Unit Quantity: 2 Pcs — one 78215 cone and one 78551 cup. Rolling Elements: Tapered Roller. Number Of Rows: 1. Closure Type: Open. Bore Type: Straight.
Cross-Reference: Timken 78215/78551. The 78215C cone is a separate design with different ratings and is a different part from the 78215.
$92.67
6 in stock
$92.67
6 in stock
Global Industrial, one of the bigger names in industrial distribution,
If you pulled a bearing off general industrial equipment at random, there’s a good chance
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
When an HMI panel goes dark or a PLC module stops communicating, the machine it
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
Sort
Brand
Price
MPN
Categories
