6302 bearing: complete specifications & equivalents
The 6302 is a ISO 15 radial bearing sized 15 x 42 x 13 mm (bore x OD x width). Verify dimensions against the official catalog before ordering.
Specification table
| Parameter | Value |
|---|---|
| Brand | SKF |
| Bore diameter d | 15 mm |
| Outer diameter D | 42 mm |
| Width B | 13 mm |
| Material | GCr15 |
| Seal / shield | open |
| Internal clearance | CN / C3 available |
| Tolerance class | P0 |
| Cage | steel, stamped ribbon (J-type) |
| Basic dynamic load rating C | 11.9 kN |
| Basic static load rating C0 | 5.4 kN |
| Fatigue load limit Pu | 0.228 kN |
| Reference speed (thermal) | 38000 rpm |
| Limiting speed (mechanical) | 24000 rpm |
| Operating temperature | -40 to +150 °C |
| Mass | 82 g |
| Manufacturer designation | SKF 6302 |
| Standard | ISO 15 |
| Catalog version | SKF PUB BU/P1 17000/1 EN (Oct 2018) |
| Last verified | 2026-09-25 |
Source: catalog reference (SKF PUB BU/P1 17000/1 EN (Oct 2018)) · extracted 2026-09-24
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 & 6300-series range
| Bore d | 0.591 in |
|---|---|
| Outer diameter D | 1.654 in |
| Width B | 0.512 in |
| ISO bore code | 02 |
| Radial section height (D−d)/2 | 13.5 mm |
| Smallest bore in 6300-series | 2 mm |
| Largest outer diameter in 6300-series | 500 mm |
| Width range across 6300-series | 3–95 mm |
| Bore position in 6300-series (smallest first) | 7 of 40 |
| Bore above smallest 6300-series size | 13 mm |
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
| 6302-2RS-FAG | FAG | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 15×42×13 mm envelope per ISO 15; seal variant (OPEN vs 2RS) and load ratings differ — confirm sealing and rating before substituting. |
| 6302-FAG | FAG | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 15×42×13 mm envelope per ISO 15; catalogue load ratings differ by >10% — re-rate the application before substituting. |
| 6302-ZZ-FAG | FAG | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 15×42×13 mm envelope per ISO 15; seal variant (OPEN vs ZZ) and load ratings differ — confirm sealing and rating before substituting. |
| 6302 | ISO 15 | full Dimensions and internal design equivalent — standard interchange. | ISO 15 boundary-dimension envelope; standard interchange — confirm clearance class and precision with the supplier. |
| 6302-2RS-NSK | NSK | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 15×42×13 mm envelope per ISO 15; seal variant differs (OPEN vs 2RS) — confirm sealing suits the duty. |
| 6302-NSK | NSK | full Dimensions and internal design equivalent — standard interchange. | Identical ISO 15 envelope, seal and ratings band — standard interchange; re-verify precision class and clearance per supplier. |
| 6302-RSR-NSK | NSK | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 15×42×13 mm envelope per ISO 15; seal variant differs (OPEN vs RSR) — confirm sealing suits the duty. |
| 6302-ZZ-NSK | NSK | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 15×42×13 mm envelope per ISO 15; seal variant differs (OPEN vs ZZ) — confirm sealing suits the duty. |
| 6302-2RS-NTN | NTN | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 15×42×13 mm envelope per ISO 15; seal variant differs (OPEN vs 2RS) — confirm sealing suits the duty. |
| 6302-NTN | NTN | full Dimensions and internal design equivalent — standard interchange. | Identical ISO 15 envelope, seal and ratings band — standard interchange; re-verify precision class and clearance per supplier. |
| 6302-RSR-NTN | NTN | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 15×42×13 mm envelope per ISO 15; seal variant differs (OPEN vs RSR) — confirm sealing suits the duty. |
| 6302-ZZ-NTN | NTN | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 15×42×13 mm envelope per ISO 15; seal variant differs (OPEN vs ZZ) — confirm sealing suits the duty. |
| 7302 | SKF | verify Commonly quoted cross reference; confirm against the target catalog before ordering. | — |
| W6302-2RS | SKF | partial Main dimensions match; tolerances, seals or internal clearance differ. | SKF stainless execution W 6302-2RS1 shares the 15×42×13 mm envelope but rates differently (11.9/5.4 kN vs 9.95/5.4 kN) — not a load-rating equivalent. |
| W6302-ZZ | SKF | partial Main dimensions match; tolerances, seals or internal clearance differ. | SKF stainless execution W 6302-2Z shares the 15×42×13 mm envelope but rates differently (11.9/5.4 kN vs 9.95/5.4 kN) — not a load-rating equivalent. |
| W6302 | SKF | partial Main dimensions match; tolerances, seals or internal clearance differ. | SKF stainless execution W 6302 shares the 15×42×13 mm envelope but rates differently (11.9/5.4 kN vs 9.95/5.4 kN) — not a load-rating equivalent. |
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 6302 model number is decoded
6302 is supplied open, without shields or seals, so the arrangement around it must supply and retain the lubricant. Within the medium 63xx section (diameter series 3 of ISO 15), its bore code 02 comes from the 10/12/15/17 mm exception table, giving a 15 mm bore; the 42 mm outside diameter and 13 mm width follow the same boundary-dimension plan. For a rotating inner ring on a 15 mm shaft under normal load, catalogue practice seats it on a j5 shaft fit with an H7 housing bore — confirm against the actual load direction and magnitude before committing. In the SKF catalogue this open execution carries the bare designation; protected variants are ordered separately as -2Z and -2RSH.
Typical equipment & failure modes
Common applications
- domestic appliances
- power tools
- small fans and blowers
- garden equipment
Known failure patterns
- contamination wear from dust and dirt ingress through the open arrangement
- lubricant starvation when no regreasing interval is maintained
- electrical pitting in VFD-driven motors without grounding protection
- raceway smearing under marginal lubrication at start-up
Selection pitfalls — read before you substitute
- Bore codes 00–03 use the exception table: 6302 fits a 15 mm shaft — the code × 5 mnemonic does not apply below code 04 (it would imply 0 mm for code 00).
- The 63xx medium series gains rating at 15 mm bore through a 42 mm OD and 13 mm width; the heavier rolling elements also trade away some speed versus a 6202.
- The open 6302 has no lubricant retention: grease escapes and contaminants migrate straight into the 15×42×13 mm raceway, so specify a sealed arrangement for dusty or washdown duty.
- Storage matters for open bearings: 6302 leaves the factory with rust preventive only, so clean it and apply the service grease at assembly even if the rings look oily from the wrapper.
- Vibration during standstill brinells the raceways of a 15 mm bearing at ball spacing; if the machine sits idle next to running equipment, turn the shaft over periodically or isolate the arrangement.
- Measure the shaft, do not trust the drawing: a 15 mm nominal journal worn by even 0.02 mm turns an interference seat into a creeping fit that frets the bore of 6302.
- The open 6302 needs external sealing and application-supplied lubrication; in the SKF catalogue the protected variants are separate order numbers 6302-2Z (shields) and 6302-2RSH (contact seals), not suffix-free 6302.
- The 11.9/5.4 kN ratings here are SKF Explorer-class figures from catalogue PUB BU/P1 17000/1 EN (Oct 2018); SKF can revise internal geometry and ratings without changing the designation, so treat the catalogue version and date as part of the specification and re-verify for critical drives.
Frequently asked questions
What are the dimensions of a 6302 bearing?
A 6302 deep-groove ball bearing has a 15 mm bore, 42 mm outer diameter and 13 mm width (0.591 × 1.654 × 0.512 in), per ISO 15 boundary dimensions. It is an open bearing with no seals or shields.
What does no suffix on 6302 mean?
A bare 6302 designation means open: no shields or seals, normal CN radial clearance and P0 normal tolerance unless further suffixes are ordered. The application must supply and retain the lubrication.
How does the 6300 compare with other series at the same 15 mm bore?
The '3' is the medium diameter series: 42×13 mm, 13.5 mm radial section at 15 mm bore, carrying more load than a 6202 but needing a larger housing bore and giving up some speed.
Are 6302 bearings from different brands interchangeable?
For boundary dimensions, yes: every brand's 6302 uses the same ISO 15 envelope (15×42×13 mm). Load ratings, limiting speeds, clearance, precision class and sealing design can differ, so verify those in the supplier catalogue when substituting.
What is the SKF designation and catalogue data for 6302?
In the SKF Rolling Bearings catalogue this size is listed as 6302 — the open (unsealed) execution, 15×42×13 mm per ISO 15. Quoted values: C 11.9 kN, C0 5.4 kN, Pu 0.228 kN, limiting speed 24000 r/min, mass 82 g. Brand suffixes (2Z, 2RSH, 2RSL) differ from the industry-neutral spelling 6302.
Reviewed & verified by the MPN Base engineering desk against source catalog SKF PUB BU/P1 17000/1 EN (Oct 2018) on 2026-09-25. Read our editorial & correction policy.