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N 1008 KTN/SP

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N 1008 KTN/SP

Single row cylindrical roller bearing
Single row cylindrical roller bearings are designed to accommodate high to very high radial loads in combination with medium to high speeds. The SKF assortment includes many designs and variants, such as standard, full complement and high capacity bearings. Depending on the configuration of the outer and inner rings, the bearings are available in locating as well as non-locating designs.

  • High to very high radial load carrying capacity
  • Low friction
  • Long service life

Description

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Dimensions - N 1008 KTN/SP

Dimensions

d

40 mm

Bore diameter
D

68 mm

Outside diameter
B

15 mm

Width
d1

50.6 mm

Shoulder diameter inner ring
E

61 mm

Raceway diameter outer ring
r1,2

min. 1 mm

Chamfer dimension outer ring
r3,4

min. 0.6 mm

Chamfer dimension inner ring (bearing with tapered bore)
s

max. 2 mm

Permissible axial displacement from the normal position of one bearing ring relative to the other (all)
Tapered bore, taper 1:12

Abutment dimensions - N 1008 KTN/SP

Abutment dimensions

da

min. 45 mm

Abutment diameter shaft
Da

min. 62 mm

Abutment diameter housing
Da

max. 63 mm

Abutment diameter housing
ra

max. 1 mm

Fillet radius
dn

60 mm

Oil nozzle position (not for variants with TNHA cage)

Calculation data

Basic dynamic load ratingC

25.1 kN

Basic static load ratingC0

28 kN

Fatigue load limitPu

3.2 kN

Attainable speed for grease lubrication

15 000 r/min

Attainable speed for oil-air lubrication

17 000 r/min

Reference grease quantityGref

2.3 cm³

Axial stiffness for preload B (sets of two brgs back-to-back or face-to-face)

450 N/µm

Mass

Mass bearing

0.19 kg

Tolerances and clearances

Principles of bearing selection and application

recently added Bearing

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