Single row deep groove ball bearings d50-55mm SKF Type 6 

Type

Single row deep groove ball bearings

Bearing structure

Full cover rings

Rolling element

Ball

Number of rolling row

1

Bearing design

Standard

For shaft type

Standard

Cover type

Open, Sealed, Shielded

Cover style

Contact seal, NBR, on both sides, Low-friction seal, Shields on both sides, Non-contact seal, on one side only, Shield on one side only, Rubber contact seals on both sides, FKM

Bore diameter

50mm, 55mm

Outside diameter

90mm, 110mm, 130mm, 72mm, 80mm, 100mm, 120mm, 140mm

Bearing thickness

23mm, 27mm, 40mm, 31mm, 9mm, 13mm, 11mm, 18mm, 21mm, 25mm, 29mm, 43mm, 33mm

Reference speed

13000rpm, 12000rpm, 19000rpm, 17000rpm, 16000rpm, 14000rpm, 11000rpm

Limiting speed

4800rpm, 8500rpm, 4300rpm, 6700rpm, 7500rpm, 5300rpm, 9500rpm, 12000rpm, 5000rpm, 11000rpm, 10000rpm, 14000rpm, 4500rpm, 8000rpm, 9000rpm, 13000rpm, 7000rpm, 3800rpm, 6300rpm

Basic dynamic load

35.1kN, 65kN, 61.8kN, 87.1kN, 9.04kN, 16.5kN, 20.3kN, 29.6kN, 46.2kN, 43.6kN, 74.1kN, 71.5kN, 99.5kN

Basic static load

23.2kN, 38kN, 52kN, 8.8kN, 14kN, 21.2kN, 29kN, 45kN, 62kN

Fatigue load limit

980N, 1.6kN, 2.2kN, 375N, 600N, 695N, 900N, 1.25kN, 1.9kN, 2.6kN

Load direction

Combined radial and axial

Ring material

Steel

Cage method

Pressed cage, Ball centred, Machined cage, Glass fiber reinforced PA66 cage, Segmented cage

Cage material

Steel, Brass, Polyamide PA66, Graphite

Roller element material

Steel, Silicon nitride (Si3N4)

Internal clearance/ preload/ Tolerance class

Clearance CN, Clearance C3, Clearance C4, Clearance C2E

Lubrication

Grease, Non-lube, Solid oil, Mineral polyurea grease, Ester lithium soap grease, Diester lithium soap grease, Este Polyurea grease, NSF H1 oil, Synthetic lithium soap

Operating temperature

-40...120°C, 120°C or less, 200°C or less, 350°C or less, -30...200°C

Features

Quiet running, Electrical insulation of outer rings, breaking down voltage 300VDC, Ohmic resistance 200MOhm, Bearing supplied with special grease for high temperature, Lubrication feature, Bearing rings or washers dimensionally stabilized for use at operating temperatures up to +150°C, Low/high temperature grease, Lubrication fill larger than standard, Bearing rings or washers dimensionally stabilized for use at operating temperatures up to +200°C, Variant of standard design, Grease fill for low as well as high temperature

Overall length

23mm, 27mm, 40mm, 31mm, 9mm, 13mm, 11mm, 18mm, 21mm, 25mm, 29mm, 43mm, 33mm

Overall diameter

90mm, 110mm, 130mm, 72mm, 80mm, 100mm, 120mm, 140mm

Approx. weight

0.54kg, 1.3kg, 1.1kg, 1.6kg, 1.95kg, 0.083kg, 0.19kg, 0.26kg, 0.44kg, 0.38kg, 0.4kg, 0.61kg, 0.72kg, 0.62kg, 0.64kg, 0.75kg, 1.35kg, 1.65kg, 1.4kg, 2.05kg, 2.35kg, 1.08kg, 1.09kg, 1.06kg, 0.39kg, 0.616kg, 0.599kg, 1.38kg