SKF NJ256MA Single-row cylindrical roller bearing (NU / N / NJ / NUP)

SKF NJ256MA 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.

Type

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

Designation

SKF NJ256MA

Bore d

280 mm

HS code

8482.20

Bore diameter

280 mm

Outside diameter

500 mm

Width

80 mm

Basic dynamic load rating

1140 kN

Basic static load rating

1800 kN

Reference speed

1400 r/min

Limiting speed

1900 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

270 kg CO2e

Indicative carbon footprint for remanufactured product

89.8 kg CO2e

Product net weight

73 kg

eClass code

23-05-09-01

UNSPSC code

31171505

Standard

SKF designation convention

Material

As declared by SKF designation suffix

Temperature Range

Per SKF product data

HS Code

8482.20

• FAG 256
• NSK 256
• NTN 256
• Timken 256
• Koyo 256
• Equivalent: 256 (FAG)
• Equivalent: 256 (NSK)
• Equivalent: 256 (NTN)
• Equivalent: 256 (Timken)
• Equivalent: 256 (Koyo)