16101-2RS bearing: complete specifications & equivalents
The 16101-2RS is a ISO 15 radial bearing sized 12 x 30 x 8 mm (bore x OD x width) with 2RS sealing. Verify dimensions against the official catalog before ordering.
Specification table
| Parameter | Value |
|---|---|
| Brand | SKF |
| Bore diameter d | 12 mm |
| Outer diameter D | 30 mm |
| Width B | 8 mm |
| Material | GCr15 |
| Seal / shield | 2RS |
| Internal clearance | CN |
| Tolerance class | P0 |
| Cage | steel, stamped ribbon (J-type) |
| Basic dynamic load rating C | 5.07 kN |
| Basic static load rating C0 | 2.36 kN |
| Fatigue load limit Pu | 0.1 kN |
| Limiting speed (mechanical) | 17000 rpm |
| Operating temperature | -40 to +120 °C |
| Mass | 28 g |
| Manufacturer designation | 16101-2RS1 |
| Standard | ISO 15 |
| Catalog version | SKF PUB BU/P1 17000/1 EN (Oct 2018) |
| Last verified | 2026-09-27 |
Source: catalog reference (SKF PUB BU/P1 17000/1 EN (Oct 2018)) · extracted 2026-09-27
Parameters extracted from the official SKF Rolling Bearings catalogue (SKF PUB BU/P1 17000/1 EN (Oct 2018)); SKF® and SKF Explorer® are trademarks of AB SKF, used here for identification only — mpnbase is not an authorized SKF distributor. Boundary dimensions are ISO 15 interchangeable; current production values may differ, verify at skf.com.
Dimensions in inches & 16100-series range
| Bore d | 0.472 in |
|---|---|
| Outer diameter D | 1.181 in |
| Width B | 0.315 in |
| ISO bore code | 01 |
| Radial section height (D−d)/2 | 9 mm |
| Smallest bore in 16100-series | 10 mm |
| Largest outer diameter in 16100-series | 30 mm |
| Width range across 16100-series | 8–8 mm |
| Bore position in 16100-series (smallest first) | 2 of 2 |
| Bore above smallest 16100-series size | 2 mm |
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
| 16101-ZZ | SKF | full Dimensions and internal design equivalent — standard interchange. | Same 12×30×8 mm envelope and equivalent catalogue ratings; 16101-2Z is the two non-contact shields execution of this size — boundary dimensions interchangeable, only the seal/shield/cage execution differs. |
| 16101 | SKF | full Dimensions and internal design equivalent — standard interchange. | Same 12×30×8 mm envelope and equivalent catalogue ratings; 16101 is the open arrangement execution of this size — boundary dimensions interchangeable, only the seal/shield/cage execution differs. |
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 16101-2RS model number is decoded
The 16100-series is SKF's extra-narrow large-OD deep-groove section; bore code 01 follows the 10/12/15/17 mm exception table, so 16101 fits a 12 mm shaft. The envelope is 12×30×8 mm (0.472×1.181×0.315 in) with a 9.0 mm radial section height, C 5.07 kN, C0 2.36 kN and Pu 0.1 kN. SKF catalogues the sealed execution as 16101-2RS1: two contact elastomer lips (2RS1/2RSH spelling) over a lifetime grease fill; the lips add drag, and no reference (thermal) speed is published. Limiting speed 17000 r/min, catalogue mass 28 g. A thin section saves space but leaves little margin for misalignment or shaft deflection.
Typical equipment & failure modes
Common applications
- gearboxes and speed reducers
- centrifugal and positive-displacement pumps
- material-handling equipment
- industrial fans
Known failure patterns
- contact-seal lip hardening and pre-grease loss after long high-temperature service
- grease-life expiry inside the sealed-for-life cavity, which has no relubrication path
- fretting corrosion on a creeping shaft or housing seat
- cage damage from running beyond the limiting speed
Selection pitfalls — read before you substitute
- Fillet radii must clear the 16101-2RS chamfer so the 8 mm-wide ring seats square; an oversized shaft radius creates point contact on the ring face.
- The fatigue load limit is 0.1 kN; it feeds the equivalent-mean-load check, not the basic life calculation — do not substitute one for the other.
- Contact seals make 16101-2RS slower than the open 16101 (limiting 17000 r/min) and forbid solvent washing, which destroys the lifetime grease.
- Do not pry the caps off 16101-2RS to repack it; shield/seal damage leaves a gap that throws grease and admits dirt.
- At 12 mm bore, C3 clearance is the safe choice when interference fits plus temperature rise consume the CN clearance; a hot tight bearing with no residual clearance fails fast.
- Catalogue ratings for 16101-2RS (C 5.07 kN, C0 2.36 kN) are SKF figures from PUB BU/P1 17000; geometry revisions can change ratings without changing the designation, so keep the catalogue edition with the specification.
Frequently asked questions
What are the dimensions of 16101-2RS?
The SKF 16101-2RS1 measures 12 mm bore × 30 mm OD × 8 mm width (0.472 × 1.181 × 0.315 in), mass about 28 g. It has two contact rubber seals and a lifetime grease fill.
How does the bore code in 16101 work?
Codes 00–03 follow the exception table (10, 12, 15, 17 mm): 16101 fits a 12 mm shaft. Code × 5 starts at code 04.
How heavy is 16101-2RS?
Catalogue mass is 28 g for 16101-2RS1; seal and cage executions of the same envelope differ by a few grams.
What load can 16101-2RS take?
Catalogue values for 16101-2RS1: dynamic C 5.07 kN, static C0 2.36 kN, fatigue limit Pu 0.1 kN. Use C in life calculation and C0 for static checks at 12 mm bore.
Reviewed & verified by the MPN Base engineering desk against source catalog SKF PUB BU/P1 17000/1 EN (Oct 2018) on 2026-09-27. Read our editorial & correction policy.