Drawn cup needle roller bearings Fw3-17mm SKF Type HK 

Type

Needle roller bearings

Bearing structure

Without inner ring

Rolling element

Needle roller

Number of rolling row

1

Bearing design

Drawn cup with open ends, Optimized internal design for increased load carrying capacity

For shaft type

Standard

Cover type

Sealed, Open

Cover style

Contact seal, NBR on one side only, NBR on both sides

Bore diameter

3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm

Outside diameter

6.5mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 16mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm

Bearing thickness

6mm, 8mm, 9mm, 10mm, 12mm, 14mm, 15mm, 16mm, 22mm, 20mm

Reference speed

24000rpm, 22000rpm, 20000rpm, 19000rpm, 18000rpm, 16000rpm, 15000rpm, 14000rpm

Limiting speeds

26000rpm, 24000rpm, 22000rpm, 13000rpm, 20000rpm, 12000rpm, 18000rpm, 10000rpm, 17000rpm, 16000rpm, 9000rpm, 15000rpm, 9500rpm

Basic dynamic load

1.23kN, 1.76kN, 2.38kN, 2.01kN, 2.81kN, 3.03kN, 2.7kN, 3.69kN, 3.52kN, 4.13kN, 5.12kN, 4.29kN, 5.39kN, 6.6kN, 4.84kN, 6.27kN, 6.82kN, 7.65kN, 10.1kN, 13kN, 7.37kN, 10.5kN, 12.8kN, 7.48kN

Basic static load

0.88kN, 1.37kN, 2.08kN, 1.73kN, 2.7kN, 3.05kN, 2.75kN, 4.05kN, 3.9kN, 4.8kN, 6.4kN, 5.3kN, 6.95kN, 9kN, 7.35kN, 8kN, 8.65kN, 9.5kN, 14.6kN, 20kN, 9.8kN, 15.6kN, 19.6kN, 10.6kN, 10kN

Fatigue load limit

88N, 140N, 220N, 180N, 285N, 325N, 440N, 415N, 530N, 720N, 570N, 780N, 1.02kN, 710N, 850N, 915N, 980N, 1.08kN, 1.7kN, 2.28kN, 1.12kN, 1.8kN, 2.24kN, 1.2kN, 1.14kN

Load direction

Combined radial and axial

Ring material

Stainless steel

Cage method

Glass fiber reinforced PA66 cage, Pressed cage

Cage material

Polyamide PA66, Steel

Roller element material

Steel

Internal clearance/ preload/ Tolerance class

Tolerance normal

Lubrication

Grease, Non-lube

Operating temperature

-40...120°C, 120°C or less

Operation ambient

Vibration

Features

High radial load carrying capacity, High stiffness, Sealed for increased reliability, Very low cross-sectional height

Overall diameter

6.5mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 16mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm

Overall length

6mm, 8mm, 9mm, 10mm, 12mm, 14mm, 15mm, 16mm, 22mm, 20mm

Approx. weight

0.001kg, 0.002kg, 0.0021kg, 0.0025kg, 0.0026kg, 0.0027kg, 0.003kg, 0.0033kg, 0.004kg, 0.0046kg, 0.0041kg, 0.0048kg, 0.006kg, 0.0095kg, 0.011kg, 0.0105kg, 0.015kg, 0.02kg, 0.012kg, 0.016kg, 0.018kg, 0.024kg, 0.013kg, 0.01kg, 0.0128kg, 0.0035kg, 0.014kg, 0.0151kg