SL183034 bearing: complete specifications & equivalents
The SL183034 is a ISO 15 radial bearing sized 170 x 260 x 67 mm (bore x OD x width). Verify dimensions against the official catalog before ordering.
Specification table
| Parameter | Value |
|---|---|
| Brand | FAG |
| Bore diameter d | 170 mm |
| Outer diameter D | 260 mm |
| Width B | 67 mm |
| Material | GCr15 |
| Seal / shield | open |
| Internal clearance | CN |
| Tolerance class | P0 |
| Cage | none |
| Basic dynamic load rating C | 700 kN |
| Basic static load rating C0 | 1050 kN |
| Fatigue load limit Pu | 135 kN |
| Reference speed (thermal) | 1120 rpm |
| Limiting speed (mechanical) | 1480 rpm |
| Operating temperature | -40 to +120 °C |
| Mass | 12200 g |
| Manufacturer designation | SL183034 |
| Standard | ISO 15 |
| Catalog version | HR1 2026-09-25 |
| Last verified | 2026-09-30 |
Source: catalog reference (HR1 2026-09-25) · extracted 2026-09-30
Parameters extracted from the official FAG Rolling Bearings catalogue (HR1 2026-09-25); FAG® is a trademark of Schaeffler Technologies AG & Co. KG, used here for identification only — mpnbase is not an authorized FAG/Schaeffler distributor. Boundary dimensions are ISO 15 interchangeable; current production values may differ, verify at schaeffler.com.
Dimensions in inches & sl1830-series range
| Bore d | 6.693 in |
|---|---|
| Outer diameter D | 10.236 in |
| Width B | 2.638 in |
| ISO bore code | 34 |
| Radial section height (D−d)/2 | 45 mm |
| Smallest bore in sl1830-series | 20 mm |
| Largest outer diameter in sl1830-series | 600 mm |
| Width range across sl1830-series | 16–148 mm |
| Bore position in sl1830-series (smallest first) | 23 of 36 |
| Bore above smallest sl1830-series size | 150 mm |
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
| SL183034 | ISO 15 | full Dimensions and internal design equivalent — standard interchange. | ISO 15 boundary-dimension envelope; brand-specific OEM equivalents (NSK/FAG/NTN) pending multi-source data. |
Interchange levels: full standard interchange · partial verify parameters · verify manual confirmation required. Links resolve to the equivalent model's specification page where available.
How the SL183034 model number is decoded
envelope 170×260×67 mm with a 45.0 mm radial section; every available circumferential space carries a roller because there is no cage C is 700 kN and C0 1050 kN; with a C/C0 ratio of 0.67 the 67 mm-wide full complement concentrates on extreme static and steady radial capacity rather than speed the fatigue load limit Cur is 135 kN, the limiting speed 1,480 r/min and the thermal reference speed 1,120 r/min — full-complement roller-to-roller contact keeps both speeds well below caged cylindrical bearings of the same size the dynamic rating is 4.12 kN per millimetre of the 170 mm bore and 10.45 kN per millimetre of the 67 mm width, figures that explain the use of this bearing in compact, heavily loaded gearbox positions mass is 12.2 kg (12200 g) (0.70 g per mm² of the 260×67 mm envelope); the stiff, thick rings keep raceway deformation low under peak loads the 170 mm bore puts this execution at the top of the HR1 range — the 260 mm outside diameter, 67 mm width and 12.2 kg mass are built for primary-industry load cases SL18 bearings are separable for mounting: the inner ring with the self-retained roller set can be fitted separately from the plain-bored outer ring, which simplifies interference-fit assembly High radial rigidity at 700 kN C is the point of this design: rib-guided rollers in a cageless pack resist deflection in planetary gears, rope drums and vibrating machinery Typical applications include material handling conveyor pulleys, rolling-mill and steel-industry drives and construction machinery slewing drives, where the 260 mm outside diameter and 700 kN dynamic rating match the duty. In material handling conveyor pulleys the unit fits a compact 170 mm seat, and in rolling-mill and steel-industry drives the 12.2 kg mass is part of the rotor inertia calculation. Designers also specify it for construction machinery slewing drives, relying on the 67 mm width and the published 1050 kN static rating. Relubrication paths matter: specify the annular groove/hole executions where access is poor, because the tightly packed rows trap old grease. Press-fit the correct ring: the rotating ring needs interference while the floating ring must slide on its seat to perform the non-locating function.
Typical equipment & failure modes
Common applications
- planetary gear bearing positions
- hydraulic pumps and radial piston pumps
- compact slow-speed agitator drives
- crane travelling-wheel mechanisms
Known failure patterns
- raceway pitting from overloaded slow-speed positions where the cageless rollers repeatedly stress one contact band
- rib and roller-end scoring when applied axial thrust exceeds the semi-locating capacity
- roller smearing from roller-to-roller sliding at speeds above the limiting value
- edge loading and premature spalling caused by undetected shaft/housing misalignment (full-complement rows cannot self-align)
- brinelling of the raceways from static shock during mounting or transport of the heavy rotor
- lubricant starvation in the tightly packed roller set, especially in the double-row executions
- freting and creep on a loose ring seat under a rotating load
- contamination wear in open gearbox positions with damaged seals or breathers
- false brinelling from micro-movement while the shaft is stationary under vibration
Selection pitfalls — read before you substitute
- Relubrication paths matter: specify the annular groove/hole executions where access is poor, because the tightly packed rows trap old grease.
- Press-fit the correct ring: the rotating ring needs interference while the floating ring must slide on its seat to perform the non-locating function.
- Use the rib structure correctly: SL18/SL1850 give one-direction axial guidance, SL0149 locates both ways and SL0249 floats — pairing two locating bearings on one shaft binds thermal growth.
Frequently asked questions
What are the dimensions of the SL183034?
The SL183034 is a SL1830 single-row full-complement semi-locating cylindrical roller bearing with 260 mm outside diameter, 170 mm bore and 67 mm width, envelope 170×260×67 mm. Mass is 12.2 kg.
What does the SL183034 designation mean in the FAG/INA HR1 catalogue?
SL183034 identifies this SL1830 single-row full-complement semi-locating cylindrical roller bearing in the Schaeffler HR1 rolling bearings catalogue. The envelope is 170×260×67 mm and the catalogue ratings are C 700 kN, C0 1050 kN, Cur 135 kN.
What is the load capacity of the SL183034?
The basic dynamic load rating C is 700 kN and the basic static load rating C0 is 1050 kN; the fatigue load limit Cur is 135 kN.
What is the maximum speed of the SL183034?
The limiting speed is 1,480 r/min and the thermal reference speed is 1,120 r/min. In the Schaeffler catalogue the reference speed is the thermally permissible running speed under defined load; the lower of the two values governs each application.
What is the locating function of the SL183034?
This is a semi-locating bearing: one rib on the outer ring and two on the inner ring guide the shaft axially in one direction, while the other direction is free for thermal expansion.
Reviewed & verified by the MPN Base engineering desk against source catalog HR1 2026-09-25 on 2026-09-30. Read our editorial & correction policy.