Extra small ball bearings and miniature ball bearings NSK 6 series 

Type

Deep groove ball bearings

Bearing structure

Full cover rings

Rolling element

Ball

Number of rolling row

1

Bearing shape

Standard, Flanged

For shaft type

Standard

Cover type

Open, Shielded, Sealed

Cover style

Shields on both sides, Rubber non-contact seals on both sides, Rubber contact seals on both sides

Bore diameter

1mm, 1.2mm, 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm

Outside diameter

3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 13mm, 11mm, 12mm, 16mm, 14mm, 19mm, 15mm, 17mm, 22mm, 26mm, 24mm, 28mm, 20mm, 30mm

Bearing thickness

1mm, 1.5mm, 1.6mm, 1.8mm, 1.2mm, 2mm, 2.5mm, 2.3mm, 2.8mm, 3mm, 4mm, 5mm, 6mm, 3.5mm, 7mm, 9mm, 8mm, 10mm, 2.6mm

Reference speed

130000rpm, 100000rpm, 110000rpm, 85000rpm, 75000rpm, 63000rpm, 71000rpm, 60000rpm, 56000rpm, 50000rpm, 40000rpm, 53000rpm, 48000rpm, 36000rpm, 45000rpm, 43000rpm, 32000rpm, 38000rpm, 30000rpm, 28000rpm, 34000rpm, 24000rpm, 22000rpm

Basic dynamic load

80N, 138N, 112N, 237N, 330N, 169N, 187N, 385N, 208N, 560N, 550N, 390N, 570N, 630N, 1300N, 310N, 395N, 640N, 710N, 960N, 1730N, 430N, 715N, 1080N, 1330N, 2340N, 495N, 2260N, 3300N, 455N, 540N, 1170N, 1610N, 4550N, 545N, 820N, 2240N, 3350N, 1720N, 5100N, 255N, 278N, 1082N

Basic static load

23N, 35N, 33N, 69N, 98N, 50N, 58N, 127N, 74N, 179N, 175N, 130N, 187N, 218N, 485N, 115N, 139N, 225N, 270N, 345N, 670N, 120N, 168N, 276N, 281N, 430N, 505N, 885N, 292N, 440N, 835N, 1370N, 201N, 510N, 710N, 1970N, 274N, 385N, 910N, 1430N, 665N, 840N, 2390N, 107N, 131N, 442N

Load direction

Radial

Ring material

Stainless steel

Internal clearance/ preload/ Tolerance class

Clearance C3, Clearance C4

Lubrication

Grease

Overall depth (Cylindrical object)

1.5mm, 1mm, 1.6mm, 1.8mm, 1.2mm, 2mm, 2.5mm, 2.3mm, 2.8mm, 3mm, 4mm, 5mm, 6mm, 3.5mm, 7mm, 9mm, 8mm, 10mm, 2.6mm

Overall diameter

3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 13mm, 11mm, 12mm, 16mm, 14mm, 19mm, 15mm, 17mm, 22mm, 20mm, 26mm, 24mm, 28mm, 30mm, 3.8mm, 4.8mm, 6.5mm, 7.5mm, 6.1mm, 6.2mm, 7.2mm, 8.2mm, 8.5mm, 7.1mm, 9.2mm, 9.5mm, 8.1mm, 10.2mm, 10.5mm, 11.5mm, 10.3mm, 11.2mm, 12.5mm, 13.5mm, 18mm, 13.2mm, 25mm, 12.2mm, 14.2mm, 15.6mm, 23mm, 10.6mm, 11.6mm, 13.6mm, 14.6mm