Metric single row tapered roller bearings d50-55mm SKF Type 3 

Type

Tapered roller bearings

Bearing structure

Full cover rings

Rolling element

Tapered roller

Number of rolling row

1

Bearing design

Deviating or modified internal design, Steep contact angle, Standard

For shaft type

Round

Cover type

Open

Bore diameter

50mm, 55mm

Outside diameter

72mm, 80mm, 82mm, 85mm, 90mm, 100mm, 105mm, 110mm, 95mm, 115mm, 120mm

Bearing thickness

15mm, 20mm, 24mm, 21.5mm, 21.501mm, 26mm, 21.75mm, 24.75mm, 28mm, 32mm, 36mm, 29.25mm, 42.25mm, 17mm, 23mm, 27mm, 30mm, 22.75mm, 26.75mm, 35mm, 39mm, 34mm, 31.5mm, 45.5mm

Outer ring thickness

12mm, 15.5mm, 19mm, 17mm, 20mm, 23mm, 24.5mm, 30mm, 22mm, 33mm, 14mm, 17.5mm, 21mm, 18mm, 27mm, 32mm, 23.5mm, 25mm, 35mm

Inner ring thickness

15mm, 20mm, 24mm, 21.5mm, 27.7mm, 26mm, 23mm, 28mm, 32mm, 35mm, 29mm, 27mm, 40mm, 17mm, 30mm, 21mm, 25mm, 39mm, 31mm, 43mm

Reference speed

7000rpm, 6300rpm, 6000rpm, 5300rpm, 5600rpm, 4800rpm, 4500rpm, 5000rpm, 4300rpm

Limiting speeds

8500rpm, 8000rpm, 7500rpm, 7000rpm, 6700rpm, 6300rpm, 6000rpm, 5600rpm

Basic dynamic load

41.3kN, 75.1kN, 84.8kN, 88.9kN, 106kN, 93.1kN, 101kN, 130kN, 142kN, 189kN, 134kN, 131kN, 154kN, 196kN, 211kN, 51.7kN, 99.4kN, 111kN, 136kN, 170kN, 220kN, 155kN, 149kN, 176kN, 233kN, 245kN

Basic static load

53kN, 88kN, 102kN, 100kN, 122kN, 91.5kN, 140kN, 160kN, 200kN, 137kN, 120kN, 216kN, 212kN, 69.5kN, 116kN, 156kN, 106kN, 129kN, 190kN, 232kN, 163kN, 260kN, 250kN

Fatigue load limit

5.6kN, 9.65kN, 11.4kN, 11kN, 13.4kN, 10.4kN, 16kN, 18.3kN, 22.4kN, 14.3kN, 16.6kN, 24.5kN, 24kN, 7.2kN, 12.9kN, 15.3kN, 17.6kN, 12kN, 15kN, 21.6kN, 26kN, 19.3kN, 30kN, 28.5kN

Load direction

Combined radial and axial

Ring material

Stainless steel

Cage method

Window-type, roller centred

Cage material

Steel

Roller element material

Steel

Internal clearance/ preload/ Tolerance class

Clearance CN

Lubrication

Solid oil, Non-lube

Operating temperature

120°C or less

Features

Boundary dimensions changed to conform to ISO, Optimized internal geometry and surface finish, High-performance design for pinion bearing arrangements, Reduced tolerances for ring widths and total (abutment) width, corresponds to iso tolerance class 6x, Reduced inner ring width tolerance

Overall diameter

72mm, 80mm, 82mm, 85mm, 90mm, 100mm, 105mm, 110mm, 95mm, 115mm, 120mm

Overall length

15mm, 20mm, 24mm, 21.5mm, 21.501mm, 26mm, 21.75mm, 24.75mm, 28mm, 32mm, 36mm, 29.25mm, 42.25mm, 17mm, 23mm, 27mm, 30mm, 22.75mm, 26.75mm, 35mm, 39mm, 34mm, 31.5mm, 45.5mm

Approx. weight

0.19kg, 0.38kg, 0.45kg, 0.43kg, 0.46kg, 0.58kg, 0.54kg, 0.62kg, 0.75kg, 0.86kg, 1.3kg, 1.25kg, 1.2kg, 1.95kg, 1.85kg, 0.28kg, 0.56kg, 0.66kg, 0.85kg, 0.7kg, 0.84kg, 1.15kg, 1.7kg, 1.6kg, 1.55kg, 2.5kg, 2.35kg, 0.505kg