SKF NJ252MA Single-row cylindrical roller bearing (NU / N / NJ / NUP)

SKF · Bearings & Power Transmission · Single-Row Cylindrical Roller Bearings · Sweden · skf.com

Part Number
NJ252MA · HS 8482.20

SKF NJ252MA single-row cylindrical roller bearing (nu / n / nj / nup). Single-row cylindrical roller bearing. Design executions NU / N / NJ / NUP set the axial-guidance capability by rib configuration on inner and outer ring. Standard cage ECP (glass-fibre-reinforced polyamide 6.6) for bores up to 100 mm; ECM (machined brass) above. Precision to ISO 492 Class Normal / P6 / P5. Very heavy radial-load capacity at moderate speed. Suitable for reduction-gear input shafts, marine deck-machinery drives, paper-mill dryer sections.

Technical Specifications

Type	Single-row cylindrical roller bearing (NU / N / NJ / NUP)
Designation	SKF NJ252MA
Bore d	260 mm
HS code	8482.20
Bore diameter	260 mm
Outside diameter	480 mm
Width	80 mm
Basic dynamic load rating	1170 kN
Basic static load rating	1700 kN
Reference speed	1400 r/min
Limiting speed	2000 r/min
Bearing part	Complete bearing
Axial displacement capability	In one direction
Number of rows	1
Locating feature, bearing outer ring	Without
Bore type	Cylindrical
Cage	Machined brass
Number of flanges, outer ring	2
Number of flanges, inner ring	1
Loose flange	None
Radial internal clearance	CN
Tolerance class	Normal
Coating	Without
Sealing	Without
Lubricant	None
Relubrication feature	Without
Candidate for remanufacturing	Yes
Indicative carbon footprint for new product	255 kg CO2e
Indicative carbon footprint for remanufactured product	84.9 kg CO2e
Product net weight	69 kg
eClass code	23-05-09-01
UNSPSC code	31171505

Properties

Material	As declared by SKF designation suffix
Temperature range	Per SKF product data
Primary standard	SKF designation convention
MOQ	1

Compatibility

Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.

Cross-References

FAG 252
NSK 252
NTN 252
Timken 252
Koyo 252

Attached Documents

SKF NJ252MA Single-row cylindrical roller bearing (NU / N / NJ / NUP) — Specification sheet