FAG
Self-Aligning Ball Bearing
RFQ
Estimated delivery: 16 Jun 2026 (domestic stock)
EX-WORKS (Incoterms 2020) Seoul, Korea — Buyer arranges freight, duties, and insurance.
FAG 1315-M Self-Aligning Ball Bearing uses two rows of balls and a spherical outer ring raceway to compensate for shaft misalignment. It provides low-friction rotation in fans, conveyors, textile machines, and long-shaft arrangements with mounting or housing deviations.
Two rows of balls are guided by a cage on the inner ring, while the outer ring has a spherical raceway. The design absorbs angular misalignment between shaft and housing while maintaining low friction at moderate to high speeds.
Check expected misalignment, load, sealing needs, internal clearance, and available mounting space.
| Symbol | Value | Description |
|---|---|---|
| ≈m | 3.474 kg | Weight |
| Cr | 80.000 N | Basic dynamic load rating, radial |
| C0r | 30.000 N | Basic static load rating, radial |
| Cur | 1.740 N | Fatigue load limit, radial |
| nG | 6.700 1/min | Limiting speed |
| nϑr | 4.750 1/min | Reference speed |
| Symbol | Value | Description |
|---|---|---|
| d | 75 mm | Bore diameter |
| D | 160 mm | Outside diameter |
| B | 37 mm | Width |
| r1, 2 min | 2,1 mm | Minimum chamfer dimension |
| D1 | 134,8 mm | Shoulder diameter, outer ring |
| d1 | 104,8 mm | Shoulder diameter, inner ring |
| Symbol | Value | Description |
|---|---|---|
| da min | 87 mm | Min. shoulder diameter for mounting, inner ring |
| Da max | 148 mm | Max. shoulder diameter for mounting, housing |
| ra max | 2,1 mm | Max. fillet radius |
| Symbol | Value | Description |
|---|---|---|
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 150 °C | Operating temperature max. |
| Symbol | Value | Description |
|---|---|---|
| e | 0,23 | Limit value Fa/Fr |
| Y | 2,78 | Dynamic axial load factor |
| Code | Description |
|---|---|
| Z | Bore type |
| Without | Sealing type |
| M | Cage |
| PN | Tolerance class |
| CN (Group N) | Radial clearance group |
| Without | Lubricant |
The same part number can be written with or without separators, or in progressive prefix form. We index these common variants so your search reaches this page:
1315M1315 M1315FAG1315MFAG 1315 MFAG1315 MFAG 1315MFAG1315RFQ
Estimated delivery: 16 Jun 2026 (domestic stock)
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