Single row deep groove ball bearings d25-30mm 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

25mm, 28mm, 30mm

Outside diameter

37mm, 42mm, 47mm, 52mm, 62mm, 80mm, 58mm, 68mm

Bearing thickness

7mm, 9mm, 8mm, 12mm, 16mm, 15mm, 18mm, 17mm, 24mm, 21mm

Reference speed

38000rpm, 36000rpm, 32000rpm, 28000rpm, 24000rpm, 20000rpm, 26000rpm, 22000rpm, 30000rpm

Limiting speed

11000rpm, 19000rpm, 24000rpm, 10000rpm, 18000rpm, 22000rpm, 20000rpm, 9500rpm, 16000rpm, 8500rpm, 14000rpm, 7500rpm, 13000rpm, 15000rpm, 8000rpm

Basic dynamic load

4.36kN, 7.02kN, 8.06kN, 11.9kN, 11.2kN, 14.8kN, 17.8kN, 14kN, 23.4kN, 26kN, 22.5kN, 35.8kN, 16.8kN, 25.1kN, 4.49kN, 7.28kN

Basic static load

2.6kN, 4.3kN, 4.75kN, 6.55kN, 7.8kN, 9.3kN, 11.6kN, 13.4kN, 19.3kN, 9.5kN, 13.7kN, 2.9kN, 4.55kN

Fatigue load limit

125N, 193N, 212N, 275N, 335N, 400N, 490N, 570N, 815N, 405N, 585N, 146N

Load direction

Combined radial and axial

Ring material

Steel

Cage method

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

Cage material

Steel, Polyamide PA66, Graphite, Brass

Roller element material

Steel, Reinforced ball set, Silicon nitride (Si3N4)

Internal clearance/ preload/ Tolerance class

Clearance CN, Clearance C3, Clearance C2, Clearance C3H, Clearance C4, Clearance C2E, Clearance C5

Lubrication

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

Operating temperature

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

Features

Quiet running, Bearing supplied with special grease for high temperature, Special Grease For Moderate Temperatures (-30...110°C), Lubrication feature, Bearing rings or washers dimensionally stabilized for use at operating temperatures up to +150°C, Low/high temperature grease, Grease fill for low temperature range -50...80°C, Filling degree greater than 70%, Grease fill for low as well as high temperature, Filling degree greater than standard, Clay grease fill for low and high temperature, Extreme pressure grease

Overall length

7mm, 9mm, 8mm, 12mm, 16mm, 15mm, 18mm, 17mm, 24mm, 21mm

Overall diameter

37mm, 42mm, 47mm, 52mm, 62mm, 80mm, 58mm, 68mm

Approx. weight

0.022kg, 0.045kg, 0.055kg, 0.078kg, 0.081kg, 0.08kg, 0.083kg, 0.11kg, 0.13kg, 0.12kg, 0.23kg, 0.24kg, 0.22kg, 0.32kg, 0.54kg, 0.17kg, 0.3kg, 0.025kg, 0.051kg, 0.049kg, 0.0785kg, 0.227kg, 0.218kg, 0.169kg