NUP2213 bearing: complete specifications & equivalents
The NUP2213 is a ISO 15 radial bearing sized 65 x 120 x 31 mm (bore x OD x width). Verify dimensions against the official catalog before ordering.
Specification table
| Parameter | Value |
|---|---|
| Brand | NTN |
| Bore diameter d | 65 mm |
| Outer diameter D | 120 mm |
| Width B | 31 mm |
| Material | GCr15 |
| Seal / shield | open |
| Internal clearance | CN |
| Tolerance class | P0 |
| Cage | steel |
| Basic dynamic load rating C | 133 kN |
| Basic static load rating C0 | 149 kN |
| Fatigue load limit Pu | 18.2 kN |
| Limiting speed (mechanical) | 5400 rpm |
| Operating temperature | -40 to +120 °C |
| Mass | 1370 g |
| Manufacturer designation | NTN NUP2213 |
| Standard | ISO 15 |
| Catalog version | NTN Ball and Roller Bearings CAT.No.2203E |
| Last verified | 2026-10-01 |
Source: catalog reference (NTN Ball and Roller Bearings CAT.No.2203E) · extracted 2026-10-01
Parameters extracted from the official NTN Ball and Roller Bearings catalogue (NTN Ball and Roller Bearings CAT.No.2203E); NTN® is a trademark of NTN Corporation, used here for identification only — mpnbase is not an authorized NTN distributor. Boundary dimensions are ISO 15 interchangeable; current production values may differ, verify at ntnglobal.com.
Dimensions in inches & NUP2200-series range
| Bore d | 2.559 in |
|---|---|
| Outer diameter D | 4.724 in |
| Width B | 1.22 in |
| ISO bore code | 13 |
| Radial section height (D−d)/2 | 27.5 mm |
| Smallest bore in NUP2200-series | 17 mm |
| Largest outer diameter in NUP2200-series | 580 mm |
| Width range across NUP2200-series | 16–150 mm |
| Bore position in NUP2200-series (smallest first) | 11 of 34 |
| Bore above smallest NUP2200-series size | 48 mm |
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
| NUP2213-ECP | SKF | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 65×120×31 mm envelope per ISO 15; catalogue load ratings differ by >10% — re-rate the application 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 NUP2213 model number is decoded
NUP2213 is the wide (22) section of the NTN NUP2200 dimension series for a 65 mm shaft — 133 kN of basic dynamic capacity in a 1370 g, open bearing. Digit by digit, NUP2213 reads as NUP (inner ring two ribs + loose L-ring), ISO 15 series, and bore 65 mm; trailing letters such as EA or E mark the cage/capacity execution and are part of the order number. Minimum radial load matters: an unloaded NUP2213 at high speed skids its rollers and smears the raceway; spring preload or the rotor weight typically covers the requirement in motors and pumps. Thermal planning around the 5,400 r/min grease ceiling should include the cage type (a pressed sheet-steel cage) and oil-flow option to 6,300 r/min for continuously high-duty 65 mm positions. Keep the open bearing wrapped until fitting: the line-contact raceways of the 65 mm bore indent under a single hard particle, and the steel cage provides no sealing of its own.
Typical equipment & failure modes
Common applications
- cement and mining conveyor drive pulleys
- heavy industrial gearbox and reducer shafts
- large pump, turbine and compressor rotors
- rolling-mill auxiliary drive shafts
Known failure patterns
- inner-ring raceway spalling from overload in the line-contact Hertzian zone
- cage wear accelerated when the EA high-capacity roller complement runs continuously above its thermal balance
- micro-pitting when the EHL film falls below the composite roughness at high specific load
- edge loading from shaft deflection beyond the 3–4 arc-minute alignment limit
- false brinelling on standby machines exposed to external vibration
Selection pitfalls — read before you substitute
- Induction-heat the 65 mm inner ring (max 120 °C) and mount it before fitting the outer ring; the ring mass makes square guidance essential — driving through the rollers brinells the 120 mm raceway.
- Minimum radial load is frequently missed in oversized motor and fan selections: an underloaded NUP2213 skids at 5,400 r/min and fails by smearing long before L10 fatigue.
- Do not replace NUP2213 with a deep-groove ball bearing on rating alone: line contact gives 133 kN radial capacity but the bearing only accepts small sustained axial guidance loads and misalignment tolerance is only 3–4 arc-minutes.
- Minimum radial load is frequently missed in oversized motor and fan selections: an underloaded NUP2213 skids at 5,400 r/min and fails by smearing long before L10 fatigue.
- Do not replace NUP2213 with a deep-groove ball bearing on rating alone: line contact gives 133 kN radial capacity but the bearing only accepts small sustained axial guidance loads and misalignment tolerance is only 3–4 arc-minutes.
- The 133/149 kN ratings, 18.2 kN Pu and 1370 g mass are NTN Ball and Roller Bearings CAT.No.2203E values for NUP2213 (standard execution); other makes sharing the ISO 15 envelope revise internal geometry without changing the order number, so keep the 2203E reference with the specification for critical drives.
Frequently asked questions
What are the dimensions and catalogue data of NUP2213?
NUP2213 is an NTN NUP single-row cylindrical roller bearing to ISO 15: 65 mm bore, 120 mm OD and 31 mm width (2.559 × 4.724 × 1.22 in). From NTN Ball and Roller Bearings CAT.No.2203E: C 133 kN, C0 149 kN, Pu 18.2 kN, grease limiting speed 5,400 r/min, oil 6,300 r/min, mass about 1370 g. It is open, with a pressed sheet-steel cage.
What is the difference between NU, NJ, NUP, N and NF cylindrical roller bearings?
The prefix states the rib arrangement: NU has two outer-ring ribs and a ribless inner ring (float, no axial load); NJ adds ribs for one-direction location; NUP adds a loose L-ring to locate both directions; N has two inner-ring ribs and a separable outer ring; NF has one rib per ring for one-direction guidance. NUP2213 is the NJ rib arrangement plus a loose L-shaped rib ring on the inner ring — it locates the shaft in both axial directions.
What do the EA, E and ＊ suffixes mean on NTN cylindrical roller bearings?
EA is NTN's high-capacity design with a pressed sheet-steel cage and optimised roller complement in the same ISO 15 envelope; E marks the high-capacity design at the larger bores; the ＊ symbol printed before the code in the NTN catalogue marks the ULTAGE new-generation specification and is not typed as part of the order number. NUP2213 is listed among the ＊ ULTAGE-marked executions in 2203E.
Can NUP2213 take axial load and locate a shaft?
the NUP design provides two-direction axial location via its loose rib ring, for light/moderate thrust guidance. The loose rib ring still only suits light/short-duration axial guidance; heavy thrust belongs to a dedicated thrust bearing.
What do Fw and Ew mean for NUP2213?
Fw is the inner sub-assembly raceway/roller-set envelope diameter and Ew the outer-ring raceway diameter printed for geometric checks: Fw 79.6 mm, Ew 105.6 mm. The nominal bore/OD remain 65/120 mm; Fw/Ew describe the rolling-contact path, and speeds still run to 5,400 r/min grease / 6,300 r/min oil.
Reviewed & verified by the MPN Base engineering desk against source catalog NTN Ball and Roller Bearings CAT.No.2203E on 2026-10-01. Read our editorial & correction policy.