INA
Cylindrical Roller Bearing
RFQ
Estimated delivery: 26 Jul 2026 (overseas stock, ~4 weeks)
EX-WORKS (Incoterms 2020) Seoul, Korea — Buyer arranges freight, duties, and insurance.
INA SL182968-TB Cylindrical Roller Bearing is designed for high radial load capacity through line contact between rollers and raceways. It is suitable for rigid, heavy-duty applications such as motors, gearboxes, rolling mills, and machine tools, with N, NU, NJ, and NUP designs offering different axial locating functions.
Cylindrical rollers and a cage are arranged between inner and outer ring raceways. Depending on flange configuration, the bearing can be separable and may support axial load in one or both directions.
Choose the N, NU, NJ, or NUP design by load direction, axial locating requirement, cage material, internal clearance, and lubrication condition.
| Symbol | Value | Description |
|---|---|---|
| ≈m | 34,5 kg | Weight |
| Cr | 1.250.000 N | Basic dynamic load rating, radial |
| C0r | 2.470.000 N | Basic static load rating, radial |
| Cur | 270.000 N | Fatigue load limit, radial |
| nG | 770 1/min | Limiting speed |
| nϑr | 460 1/min | Reference speed |
| Symbol | Value | Description |
|---|---|---|
| d | 340 mm | Bore diameter |
| D | 460 mm | Outside diameter |
| B | 72 mm | Width |
| r1, 2 min | 3 mm | Minimum chamfer dimension |
| Symbol | Value | Description |
|---|---|---|
| da min | 379 mm | Min. shoulder diameter for mounting, inner ring |
| Da max | 418,5 mm | Max. shoulder diameter for mounting, housing |
| ra max | 3 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 |
| None, full complement bearing | Cage |
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:
SL182968TBSL182968 TBSL182968INASL182968TBINA SL182968 TBINASL182968 TBINA SL182968TBINASL182968RFQ
Estimated delivery: 26 Jul 2026 (overseas stock, ~4 weeks)
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