INA
Unknown
RFQ
Estimated delivery: 26 Jul 2026 (overseas stock, ~4 weeks)
EX-WORKS (Incoterms 2020) Seoul, Korea — Buyer arranges freight, duties, and insurance.
INA SL182980-TB Industrial Bearing is a core machine element that reduces shaft friction and supports loads to improve equipment efficiency and service life. It should be selected according to load direction, speed, and mounting space in motors, pumps, gearboxes, conveyors, and other machinery.
Bearings typically consist of inner ring, outer ring, rolling elements, cage, or sliding contact surfaces, with seals, shields, housings, or sleeves added depending on type. Lubrication and sealing conditions have a major impact on performance.
Select by shaft diameter, load direction, speed, mounting space, sealing/lubrication condition, and compatibility with the existing part number.
| Symbol | Value | Description |
|---|---|---|
| ≈m | 52,5 kg | Weight |
| Cr | 1.710.000 N | Basic dynamic load rating, radial |
| C0r | 3.500.000 N | Basic static load rating, radial |
| Cur | 360.000 N | Fatigue load limit, radial |
| nG | 650 1/min | Limiting speed |
| nϑr | 350 1/min | Reference speed |
| Symbol | Value | Description |
|---|---|---|
| d | 400 mm | Bore diameter |
| D | 540 mm | Outside diameter |
| B | 82 mm | Width |
| r1, 2 min | 4 mm | Minimum chamfer dimension |
| Symbol | Value | Description |
|---|---|---|
| da min | 450 mm | Min. shoulder diameter for mounting, inner ring |
| Da max | 496 mm | Max. shoulder diameter for mounting, housing |
| ra max | 4 mm | Max. fillet radius |
| Symbol | Value | Description |
|---|---|---|
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
| Code | Description |
|---|---|
| CN (Group N) | Radial clearance group |
| PN | Tolerance class |
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:
SL182980TBSL182980 TBSL182980INASL182980TBINA SL182980 TBINASL182980 TBINA SL182980TBINASL182980RFQ
Estimated delivery: 26 Jul 2026 (overseas stock, ~4 weeks)
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