Ball Bearings vs. Roller Bearings: Which One Does Your Application Actually Need?
Both ball bearings and roller bearings serve the same fundamental purpose: reducing friction, supporting loads,

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| MFR / Brand | NSK |
|---|---|
| MPN | 7018A5TYDULPA7 |
| Model | 7018 A5 TY DUL P4 2MM9118WI-DUL 118KRDU 7018ACD |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 90 mm |
| OD | 140 mm |
| Width | 24 mm |
| Advertise | 1 |
|---|---|
| Material | Bearing Steel |
| Min Temp | -30°C |
| Cage Type | Machined |
| Dynamic Load Rating | 66.5 kN |
| Static Load Rating | 64.5 kN |
| Precision Rating | ABEC 7 / P4 |
| Series | 7000 |
| Rolling Elements | Balls |
| Max Temp | 100°C |
| Condition | New |
| Item Weight | 2.56 lbs |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25°C |
| Preload | Light |
| Mounting Arrangement | Universal |
| Internal Clearance | CN |
| Cross Reference 1 | SKF 7018 ACD/P4ADGA |
|---|---|
| Cross Reference 2 | FAG B7018-E-T-P4S |
| Cross Reference 3 | Fafnir 3MM9118WI |
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New plants don’t run themselves — and the American Manufacturing
Both ball bearings and roller bearings serve the same fundamental purpose: reducing friction, supporting loads,
A linear actuator converts rotational or fluid energy into straight-line mechanical motion. This fundamental function
When the original bearing is discontinued, not available or has a lengthy lead time, there
Our team can locate, cross-reference, and source all parts.
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