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51148 THRUST BALL BEARINGS ORIGINAL JAPAN NSK BALL BEARINGS 51148M

. Item : 51148M

. Brand : NSK from Japan

. Size : 240*300*45mm

. Weight : 7.41KGS

. Stock : Available

. Application : Spindle tool
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51148 thrust ball bearings original Japan NSK ball bearings 51148M

NSK thrust ball bearings comprise shaft locating washers, housing locating washers and ball and cage assemblies. The bearings are not self-retaining; the ball and cage assembly and bearing washers can therefore be fitted separately.
In addition to the series with flat washers, series are also available with spherical housing locating washers for the compensation of static angular misalignment. These designs are normally used in conjunction with seating washers.
Parameters of NSK 51148M thrust ball bearings

Item 51148M NSK thrust ball bearings
d 240  mm
D 300  mm
T 45  mm
m 7,41  kg Weight
Ca 237000  N Basic dynamic load rating, axial
C0a 990000  N Basic static load rating, axial
A 5,2 Minimum load factor
nG 1640  1/min Limiting speed
nB 1540  1/min Reference speed
Cua 27000  N Fatigue limit load, axial



Thrust ball bearings are available in single and double direction designs. Both designs can support high axial forces but cannot be subjected to radial loads.

Single direction thrust ball bearings
Single direction axial thrust ball bearings can support axial forces in one direction.
Bearings of series 511, 512, 513 and 514 have a flat housing locating washer. They do not permit angular misalignment or skewing between the shaft and housing.
Double direction thrust ball bearings
Double direction axial thrust ball bearings can support axial forces in both directions.
Bearings of series 522 and 523 have two flat housing locating washers and do not allow angular adjustment.

Large stock of NSK thrust ball bearings are ready in stocks.


 d D T
d D T
d D T
mm mm mm mm mm mm mm mm mm
51308 40 78 26 51100 10 24 9 51130-M 150 190 31
51309 45 85 28 51101 12 26 9 51132-M 160 200 31
51310 50 95 31 51102 15 28 9 51134-M 170 215 34
51311 55 105 35 51103 17 30 9 51136-M 180 225 34
51312 60 110 35 51104 20 35 10 51138-M 190 240 37
51313 65 115 36 51105 25 42 11 51140-M 200 250 37
51314 70 125 40 51106 30 47 11 51144-M 220 270 37
51315 75 135 44 51107 35 52 12 51148-M 240 300 45
51316 80 140 44 51108 40 60 13 51152-M 260 320 45
51317 85 150 49 51109 45 65 14 51156-M 280 350 53
51318 90 155 50 51110 50 70 14 51160-M 300 380 62
51320 100 170 55 51111 55 78 16 51164-M 320 400 63
51322-M 110 190 63 51112 60 85 17 51168-M 340 420 64
51324-M 120 210 70 51113 65 90 18 51172-M 360 440 65
51326-M 130 225 75 51114 70 95 18 51176-M 380 460 65
51328-M 140 240 80 51115 75 100 19 51180-M 400 480 65
51330-M 150 250 80 51116 80 105 19 51184-M 420 500 65
51334-M 170 280 87 51117 85 110 19 51192-M 460 560 80
51336-M 180 300 95 51118 90 120 22 511/500-M 500 600 80
51338-M 190 320 105 51120 100 135 25 511/530-M 530 640 85
51340-M 200 340 110 51122 110 145 25 511/560-M 560 670 85
51126 130 170 30 51124 120 155 25 51128 140 180 31


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