SKF RNAO55X68X20 Needle roller bearing (machined rings)
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Product Description
SKF RNAO55X68X20 needle roller bearing (machined rings). Needle roller bearing with machined inner and outer rings (NA48xx, NA49xx, NA69xx, RNA48xx, RNA49xx, RNA69xx per ISO 3245 / DIN 617). Ideal for high radial load in the smallest possible radial section — universal-joint yokes, camshaft supports, transmission planetary pinions.
Technical Specifications
- Type
- Needle roller bearing (machined rings)
- Designation
- SKF RNAO55X68X20
- HS code
- 8482.40
- Bore diameter of needle roller complement
- 55 mm
- Outside diameter
- 68 mm
- Width
- 20 mm
- Basic dynamic load rating
- 27 kN
- Basic static load rating
- 67 kN
- Reference speed
- 7500 r/min
- Limiting speed
- 8500 r/min
- Bearing part
- Bearing without inner ring
- Number of rows
- 1
- Outer ring type
- Machined (solid)
- Aligning feature
- Without
- Cage
- Sheet steel
- Number of flanges, outer ring
- 0
- Tolerance class
- Normal
- Material, bearing
- Bearing steel
- Coating
- Without
- Sealing
- Without
- Lubricant
- None
- Relubrication feature
- Without
- Indicative carbon footprint for new product
- 0.61 kg CO2e
- Product net weight
- 0.166 kg
- eClass code
- 23-05-09-03
- UNSPSC code
- 31171512
Standards & Compliance
- Standard
- SKF designation convention (see description for governing ISO / DIN)
- Material
- As declared by SKF designation suffix
- Temperature Range
- Per SKF product data
- HS Code
- 8482.40
Cross References
- INA 556820
- Torrington / Timken 556820
- IKO 556820
- NTN 556820
- Equivalent: 556820 (INA)
- Equivalent: 556820 (Torrington / Timken)
- Equivalent: 556820 (IKO)
- Equivalent: 556820 (NTN)
Compatibility & Fitment
Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-08-13. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy RNAO55X68X20?
- RNAO55X68X20 can be ordered from cballast.com as a SKF catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this SKF product?
- The manufacturer part number is RNAO55X68X20.
- What is the HS code for RNAO55X68X20?
- The customs tariff (HS) code for RNAO55X68X20 is 8482.40.
- Who manufactures RNAO55X68X20?
- RNAO55X68X20 is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for RNAO55X68X20?
- Yes — the RNAO55X68X20 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for RNAO55X68X20?
- The minimum order quantity is 1.
- Is RNAO55X68X20 available?
- Yes — RNAO55X68X20 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).