Bearing Adapter Sleeves

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Adapter sleeves are the most commonly used components for locating bearings with a tapered bore onto a cylindrical seat as they can be used on plain shafts or stepped shafts.

They are easy to install and require no additional location on the shaft. When used on plain shafts, the bearing can be located at any position on the shaft. When used on stepped shafts together with an L-shaped spacer ring, the bearing can be accurately positioned axially, thereby facilitating bearing mounting and dismounting.

In adapter mounting, a tapered bore bearing is mounted onto a cylindrical shaft through the use of a tapered adapter sleeve. Many typical split pillow block applications use an adapter sleeve to mount. The shaft seat does not need to be machined to the precision tolerances for cylindrical mounting and heating is not required. Driving the bearing up the taper achieves the correct mating of the components and reduces the bearing clearance to the level dictated by the application. No additional location on the shaft is required. Total costs associated with tapered mounting are typically lower than cylindrical mounting.

Adapter sleeves are the most commonly used components for locating bearings with a tapered bore onto a cylindrical seat as they can be used on: plain shafts or stepped shafts.

Standard Locknut SNP 3064 Bearing Adapter Sleeves

140 mm 11.5 mm
111.2 mm 1 mm

NSK SNW134 Bearing Adapter Sleeves

1.05 22.7 mm
0.3 mm 33.6 mm

Standard Locknut 3048X9.000 Bearing Adapter Sleeves

244 mm 114 mm
31 mm M 45x3

Standard Locknut SNW 144 Bearing Adapter Sleeves

190.0000 mm 71000 N
140.000 mm 3800 rpm

NSK SNW124X403 Bearing Adapter Sleeves

296 mm 79.5 kg
320 mm HMV 120 E

Miether Bearing Prod (Standard Locknut) SNW 3140 X 7-3/16 Bearing Adapter Sleeves

1.00 mm Two Shields & Snap-R
7000 rpm 32500 N

Standard Locknut SNW 3128 Bearing Adapter Sleeves

6898 kN 0.21
22.3 mm 258 mm

Standard Locknut SNW 05 X 3/4 Bearing Adapter Sleeves

90 mm MS 30/800-750
HMV 150E 112 mm

Standard Locknut SNW 06 Bearing Adapter Sleeves

546.1 mm 434 mm
0.4 TQOSN/GWSI

Miether Bearing Prod (Standard Locknut) SNW 26 X 4-7/16 Bearing Adapter Sleeves

6.55 kN 0.6 mm
35 N 38.2 mm

Standard Locknut SNW 3038 Bearing Adapter Sleeves

17 mm 1200 r/min
0.475 kN 82 mm
1/8