6013-RSR bearing: complete specifications & equivalents
The 6013-RSR is a ISO 15 radial bearing sized 65 x 100 x 18 mm (bore x OD x width) with RSR sealing. Verify dimensions against the official catalog before ordering.
Specification table
| Parameter | Value |
|---|---|
| Brand | NSK |
| Bore diameter d | 65 mm |
| Outer diameter D | 100 mm |
| Width B | 18 mm |
| Material | GCr15 |
| Seal / shield | RSR |
| Internal clearance | CN |
| Tolerance class | P0 |
| Cage | steel, stamped ribbon (J-type) |
| Basic dynamic load rating C | 33.5 kN |
| Basic static load rating C0 | 25.2 kN |
| Operating temperature | -40 to +150 °C |
| Mass | 439 g |
| Manufacturer designation | NSK 6013VV |
| Standard | ISO 15 |
| Catalog version | NSK Rolling Bearings E1103 Part C |
| Last verified | 2026-09-24 |
Source: catalog reference (NSK Rolling Bearings E1103 Part C) · extracted 2026-09-24
Dimensions in inches & 6000-series range
| Bore d | 2.559 in |
|---|---|
| Outer diameter D | 3.937 in |
| Width B | 0.709 in |
| ISO bore code | 13 |
| Radial section height (D−d)/2 | 17.5 mm |
| Smallest bore in 6000-series | 4 mm |
| Largest outer diameter in 6000-series | 1150 mm |
| Width range across 6000-series | 4–155 mm |
| Bore position in 6000-series (smallest first) | 20 of 61 |
| Bore above smallest 6000-series size | 61 mm |
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
| 6013-NTN | NTN | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 65×100×18 mm envelope per ISO 15; seal variant and load ratings may differ — confirm sealing and rating before substituting. |
| 6013-2RS-NTN | NTN | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 65×100×18 mm envelope per ISO 15; seal variant and load ratings may differ — confirm sealing and rating before substituting. |
| 6013-RSR-NTN | NTN | full Dimensions and internal design equivalent — standard interchange. | Same 65×100×18 mm envelope per ISO 15; seal variant and load ratings may differ — confirm sealing and rating before substituting. |
| 6013-ZZ-NTN | NTN | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 65×100×18 mm envelope per ISO 15; seal variant and load ratings may differ — confirm sealing and rating before substituting. |
| 6013 | SKF | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 65×100×18 mm envelope per ISO 15; seal variant and load ratings may differ — confirm sealing and rating before substituting. |
| 6013-ZZ | SKF | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 65×100×18 mm envelope per ISO 15; seal variant and load ratings may differ — confirm sealing and rating before substituting. |
| 6013-2RS | SKF | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 65×100×18 mm envelope per ISO 15; seal variant and load ratings may differ — confirm sealing and rating before substituting. |
| 6013-M | SKF | full Dimensions and internal design equivalent — standard interchange. | Same 65×100×18 mm envelope per ISO 15; seal variant and load ratings may differ — confirm sealing and rating before substituting. |
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 6013-RSR model number is decoded
In the 6000-series (diameter series 0 of ISO 15) the last two digits encode the bore: 6013 carries bore code 13 = 65 mm. Outside diameter 100 mm and width 18 mm come from the ISO 15 boundary-dimensions general plan. Suffix -RSR denotes two low-friction non-contact elastomer seals; they keep coarse debris out with minimal drag but are not liquid-tight. For normal-load mounting with a rotating inner ring on a 65 mm shaft, typical catalogue practice is a k5 shaft seat with an H7 housing bore — verify against the actual load direction and magnitude. NSK's non-contact seal suffix is VV (catalogue number 6013VV), mapped here from the industry-neutral -RSR spelling; speed capability is close to the open bearing but VV is not liquid-tight.
Typical equipment & failure modes
Common applications
- conveyor drives
- material-handling equipment
- industrial fans
- industrial electric motors
Known failure patterns
- ingress of fine dust or moisture past the non-contact lip in dirty or wet duty (RSR is not liquid-tight)
- lip-lubricant starvation if the bearing runs dry for extended periods
- raceway smearing under marginal lubrication at start-up
- edge loading from shaft deflection or housing misalignment
Selection pitfalls — read before you substitute
- Temperature rise and interference fits consume internal clearance on this 65 mm bore: a CN bearing on a tight, hot shaft can lose all residual clearance — size 6013 with C3 for those conditions.
- The 60xx extra-light section at 65 mm bore uses a smaller 100 mm OD than a 6213; load ratings are lower, so do not replace a failed 62-series bearing with a 60-series without re-rating the load.
- The low-drag lip of 6013-RSR barely touches the inner ring; after long shelf storage the grease can separate, so rotate the rings by hand and confirm smooth, silent running before fitting.
- The non-contact lip of 6013-RSR does not retain a lifetime grease fill the way a contact seal does; confirm the regreasing interval for the 65 mm bore position before relying on it as sealed-for-life.
- The housing bore for the 100 mm OD should be round within IT7; an oval bore pinches the outer ring of 6013-RSR and shows up later as two-point loaded raceway wear.
- Axial location must clamp the ring face, not the seal area: a shoulder or circlip bearing on the seal side of the 18 mm-wide ring of 6013-RSR drags the lip and overheats it.
- NSK catalogues this low-friction non-contact seal as 6013VV (suffix VV), mapped here from the industry-neutral -RSR spelling. NSK rates its speed capability close to the open bearing, but VV is not liquid-tight — for wet or fine-dust duty step up to the DDU contact seal (industry-neutral -2RS).
- At 65 mm bore 6013 is in NSK's upper general-purpose range; the pressed-steel cage is standard, but mid-section 63xx sizes at this bore can be ordered with a machined brass cage (suffix M) for heavy-shock or very-low-speed duty — confirm cage material with the NSK channel if the application sees impact loads.
- At 33.5 kN dynamic load rating (C) and 25.2 kN static (C0), 6013 is a medium-load NSK bearing suitable for most electric-motor and pump duty; the C0/C0r ratio matters for preloaded or thrust-loaded arrangements, so confirm the static safety factor with the NSK catalogue.
- At 439 g, 6013 requires a soft-jaw vise or arbor press for mounting — never hammer it onto the shaft, and support the opposite ring to avoid brinelling the raceways.
- The 65×100×18 mm envelope of 6013 gives a D/d ratio of 1.54 and 17.5 mm radial section height — this NSK thin section saves space but is sensitive to misalignment and shock; confirm the housing stays round within IT7 and the shaft does not deflect past the raceway contact angle under load.
- The 33.5/25.2 kN load ratings, mass 439 g here are NSK Rolling Bearings E1103 Part C catalogue figures for 6013VV on the 65×100×18 mm ISO 15 envelope; internal geometry and ratings legitimately differ between brands, so re-verify before substituting another manufacturer's 6013 in a rated drive. NSK does not tabulate reference or limiting speeds in the E1103 Part C dimension tables used for this page — consult NSK's separate speed-rating tables before high-speed service.
- NSK does not recommend washing new shielded or sealed bearings; the rust-preventive film on open units is compatible with standard lithium greases and needs no removal unless the application demands a special fill.
- Keep NSK bearings in the original packaging until fitting: the wrapper carries the production lot, and the unopened shelf life of greased sealed units is typically quoted at three to five years in dry, vibration-free storage.
Frequently asked questions
What are the dimensions of a 6013-RSR bearing?
A 6013-RSR deep-groove ball bearing has a 65 mm bore, 100 mm outer diameter and 18 mm width (2.559 × 3.937 × 0.709 in), per ISO 15 boundary dimensions. It is fitted with two low-friction non-contact rubber seals.
What lubrication does 6013-RSR need?
6013-RSR is supplied pre-greased for life and is not designed to be opened for relubrication; where a relubrication path is required, specify the open 6013 with a housing grease fitting instead.
How does the 6013 bore code work?
The last two digits of 6013 are bore code 13, giving 13 × 5 = 65 mm bore. The 100 mm outside diameter and 18 mm width follow the ISO 15 diameter series, not the bore code alone.
What is the NSK suffix for a sealed 6013?
NSK uses suffix DDU for the contact rubber seal (catalogue number 6013VV), VV for the non-contact rubber seal, and ZZ for steel shields. The industry-neutral spellings on this page (-2RS / -RSR / -ZZ) map to those NSK suffixes while keeping the 65×100×18 mm ISO 15 envelope.
Does the manufacturing plant affect 6013VV?
NSK produces standard deep-groove sizes in several plants worldwide to the same drawing; the origin on the box label does not change the ISO 15 envelope or the E1103 catalogue ratings quoted here.
Reviewed & verified by the MPN Base engineering desk against source catalog NSK Rolling Bearings E1103 Part C on 2026-09-24. Read our editorial & correction policy.