SKF NNC4912CV bearings
NNC4912CV double row full complement cylindrical roller bearing

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SKF double row full complement cylindrical roller bearing, NNC design
Measurement system
Metric
Bore diameter
60.000 mm
Outside diameter
85.000 mm
Width
25.000 mm
Cr
78100 N
C0r
137000 N
Limiting speed
4500 r/min
Net weight
0.49 kg
Number of rows
2
Sealing
Without
Cage
Without
Bearing material
Steel
Rolling material
Steel
Tolerance class
Normal (PN)
Internal clearance
CN
Lubricant in bearing
None
Relubrication feature
With

In stock

Technical specification for SKF NNC4912CV

SKF NNC4912CV
Part Number NNC4912CV
Description Double row full complement cylindrical roller bearing
Axial displacement capability None
Number of rows 2
Cage Without
Number of flanges, outer ring 0
Number of flanges, inner ring 3
Dimensions
d 60.0 mm Bore diameter
D 85.0 mm Outside diameter
B 25.0 mm Width
d1 ≈ 70.5 mm Shoulder diameter inner ring
D1 ≈ 73.5 mm Shoulder diameter outer ring
b1 4.5 mm Width annular lubrication groove outer ring
K 3.5 mm Diameter lubrication hole (outer ring)
r1,2 min. 1.0 mm Chamfer dimension (open bearings)
Abutment Dimensions
da min. 64.7 mm Abutment diameter shaft
das 67.6 mm Abutment diameter shaft
Da max. 80.5 mm Abutment diameter housing
ra max. 1.0 mm Fillet radius
Calculation Data
C 78.1 kN Basic dynamic load rating
C0 137.0 kN Basic static load rating
Pu 14.3 kN Fatigue load limit
  4500.0 r/min Limiting speed
  3600.0 r/min Reference speed
kr 0.25 Minimum load factor
SKF double row full complement cylindrical roller bearing, NNC design

SKF NNC4912CV, Double 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 and full complement bearings and also greased and sealed bearings. Depending on the configuration of the outer and inner rings, the bearings are available in locating as well as non-locating designs.

  • Bore diameter: 60.0 mm
  • Outside diameter: 85.0 mm
  • Width: 25.0 mm
  • Basic dynamic load rating: 78.1 kN
  • Basic static load rating: 137.0 kN

 

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