The angular contact ball bearings for radial loads used in machine tools are non-separable bearings whose inner and outer rings cannot be separated. This type of bearing includes the types 78, 79U, 70U, 72, HSE9, HSE0, BNS9, BNS0, BNT9, BNT0 and BNT2.
For angular contact ball bearings, the imaginary straight line connecting the contact points between the balls and inner and outer rings forms an angle in the radial direction. The optimal contact angle can be selected to meet the required functionality, such as high speed capability or rigidity. The selectable contact angles are 15˚ (contact angle symbol "C"), 20˚ (no symbol), 25˚ ("AD"), and 30˚ (no symbol)
| Bearing number |
5S-2LA-HSE912ADG/GNP42 |
| Size (mm) |
60x85x13 |
| Brand |
NTN |
| Bore Diameter (mm) |
60 |
| Outer Diameter (mm) |
85 |
| Width (mm) |
13 |
| d |
60 mm |
| D |
85 mm |
| B |
13 mm |
| C |
13 mm |
| Angle (α) |
25 ° |
| Weight |
0,19 Kg |
machines and other machine tools have been required to operate at much higher speeds. Bearings for main spindles therefore must meet the requirements of high speed and rigidity as well as accuracy. To meet such requirements, many our customers want the rolling element made of ceramic material. The features of
angular contact ball bearings with ceramic balls are
described below: A bearing with a limited temperature rise that are capable of ultra-high speeds
The specific gravity of ceramic material is one-that of bearing steel. In addition, the ball diameter of 5S-HSE type is smaller than that of the standard 70
type. For this reason, use of this type of ceramic balls bearing greatly reduces the influence of centrifugal force (ball sliding and spinning caused by gyratory moment).
As a result, these angular contact ball bearings inhibit temperature buildup and ensure ultra-high speed.
High bearing rigidity for high accuracy of manufactured products
The Young’s modulus of ceramic material is approximately 1.5 times that of bearing steel. The rigidity of these angular contact ball bearings is therefore greatly increased.
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D NSK RNA6912TT Angular Contact Ball Bearings
Bearing number:RNA5912; Size (mm):68x85x34(mm); Brand:ISO; Bore Diameter (mm):68(mm); Outer Diameter (mm):85(mm); Width (mm):34(mm); Fw:68 mm 2.6772 in; D:85 mm 3.3465 in; C:34 mm 1.3386 in;
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60 mm 2.3622 in x 85 mm 3.3465 in x 13 mm 0.5118 in Bore Diameter (mm) ISO RNA5912 Angular Contact Ball Bearings
Bearing number:5S-2LA-HSE912ADG/GNP42; Size (mm):60x85x13(mm); Brand:NTN; Bore Diameter (mm):60(mm); Outer Diameter (mm):85(mm); Width (mm):13(mm); d:60 mm 2.3622 in; D:85 mm 3.3465 in; B:13 mm 0.5118 in; C:13 mm 0.5118 in; Angle (α):25 °; Weight:0,19 Kg;
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Bearing number:MJT 3/4; Size (mm):19.05x50.8x17.46; Brand:SIGMA; Bore Diameter (mm):19.05; Outer Diameter (mm):50,8; Width (mm):17,46; d:19.05 mm; D:50,8 mm; B:17,46 mm; C:17,46 mm;
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Bearing number:HB30 /S/NS 7CE1; Size (mm):30x47x9; Brand:SNFA; Bore Diameter (mm):30; Outer Diameter (mm):47; Width (mm):9; d:30 mm; D:47 mm; B:9 mm; C:9 mm; a:12 mm; d1:36 mm; r1 min.:0,3 mm; r2 min.:0,3 mm; r3 min.:0,15 mm; r5 min.:0,15 mm; D1:43 mm; da min.:32 mm; Da max.:45 mm; db min:32 mm; ra
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Bearing number:7304-BECB-TVP; Size (mm):20x52x15; Brand:NKE; Bore Diameter (mm):20; Outer Diameter (mm):52; Width (mm):15; d:20 mm; D:52 mm; B:15 mm; C:15 mm; Angle (α):40 °; a:23 mm; r1 min.:1,1 mm; r2 min.:1,1 mm; r3 min.:0,6 mm; r4 min.:0,6 mm; Weight:0,15 Kg; Basic dynamic load rating
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Bearing number:7001C; Size (mm):12x28x8; Brand:NACHI; Bore Diameter (mm):12; Outer Diameter (mm):28; Width (mm):8; d:12 mm; D:28 mm; B:8 mm; C:8 mm; Angle (α):15 °; a -:1,7 mm; r min.:0,3 mm; r1 min.:0,15 mm; da min.:14 mm; Da max.:26 mm; ra max.:0.3 mm; Weight:0,024 Kg; Basic dynamic load
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Bearing number:7816CG/GNP42; Size (mm):80x100x10; Brand:NTN; Bore Diameter (mm):80; Outer Diameter (mm):100; Width (mm):10; d:80 mm; D:100 mm; B:10 mm; C:10 mm; Angle (α):15 °;
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Bearing number:ZA-49BWD03CA153; Size (mm):49x84x48; Brand:NSK; Bore Diameter (mm):49; Outer Diameter (mm):84; Width (mm):48; d:49 mm; D:84 mm; B:48 mm; C:48 mm;
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Bearing number:ML71910CVUJ74S; Size (mm):50x72x12; Brand:SNR; Bore Diameter (mm):50; Outer Diameter (mm):72; Width (mm):12; d:50 mm; D:72 mm; B:12 mm; C:12 mm; Angle (α):15 °; d1:56.8 mm; d2:54.7 mm; D1:66.01 mm; D2:67.51 mm; a:15 mm; Contact angle α:17 °; rs min:0.6 mm; r1s min:0.3 mm; f0
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Bearing number:IJ123027; Brand:ILJIN; I:68,7 mm; E:70,103 mm; F:148 mm; G:120,65 mm; H:20 mm; J:9 mm; K:71,72 mm; M:70,5995 mm; N:12 mm; 1:Wheel Bearing;
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Bearing number:3309-2RS; Size (mm):45x100x39.7; Brand:ISO; Bore Diameter (mm):45; Outer Diameter (mm):100; Width (mm):39,7; d:45 mm; D:100 mm; B1:39,7 mm; C:39,7 mm; a:48,6 mm;
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Bearing number:KBA055; Size (mm):139.7x155.575x7.938; Brand:KOYO; Bore Diameter (mm):139,7; Outer Diameter (mm):155,575; Width (mm):7,938; d:139,7 mm; D:155,575 mm; B:7,938 mm; C:7,938 mm; r:1 mm; Weight:0,181 Kg; Basic dynamic load rating (C):9,6 kN; Bearing No.:KBA055; r(min):1; Cr:9.60; C0r:16.2;
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Bearing number:7208CG/GNP4; Size (mm):40x80x18; Brand:NTN; Bore Diameter (mm):40; Outer Diameter (mm):80; Width (mm):18; d:40 mm; D:80 mm; B:18 mm; C:18 mm; Angle (α):15 °; Category:Precision Ball Bearings; Inventory:0.0; Manufacturer Name:NTN; Minimum Buy Quantity:N/A; Weight / Kilogram:0
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Bearing number:5S-2LA-BNS020CLLBG/GNP42; Size (mm):100x150x24; Brand:NTN; Bore Diameter (mm):100; Outer Diameter (mm):150; Width (mm):24; d:100 mm; D:150 mm; B:24 mm; C:24 mm; Angle (α):15 °; Weight:1,4 Kg;
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Bearing number:HSS7024-E-T-P4S; Size (mm):120x180x28; Brand:FAG; Bore Diameter (mm):120; Outer Diameter (mm):180; Width (mm):28; d:120 mm; D:180 mm; B:28 mm; a:49 mm; Da:169 mm; da:131 mm; ra max:2 mm; rmin:2 mm; α:25 ° / Angle; m:2,49 kg / Weight; Cr:46500 N / Dynamic load rating; C0r:385
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Bearing number:5212; Size (mm):60x110x36.512; Brand:FBJ; Bore Diameter (mm):60; Outer Diameter (mm):110; Width (mm):36,512; d:60 mm; D:110 mm; B:36,512 mm; C:36,512 mm; Angle (α):25 °; Weight:1,36 Kg; Basic dynamic load rating (C):74,4 kN; Basic static load rating (C0):60,8 kN; (Grease) Lu
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Bearing number:85BER10X; Size (mm):85x130x22; Brand:NSK; Bore Diameter (mm):85; Outer Diameter (mm):130; Width (mm):22; d:85 mm; D:130 mm; B:22 mm; C:22 mm; Angle (α):25 °; a:36,1 mm; b:1,7 mm; r min.:1,1 mm; r1 min.:0,6 mm; A:102 mm; da min.:92 mm; Da max.:123 mm; ra max.:1 mm; Weight:0,9
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Size (mm) |
| 7208CG/GNP4 |
40 mm x 80 mm x 18 mm |
| 5212 |
60 mm x 110 mm x 36,512 mm |
| IJ123027 |
- |
| 7001C |
12 mm x 28 mm x 8 mm |
| HSS7024-E-T-P4S |
120 mm x 180 mm x 28 mm |
| 3309-2RS |
- |
| HB30 /S/NS 7CE1 |
30 mm x 47 mm x 9 mm |
| KBA055 |
139,7 mm x 155,575 mm x 7,938 mm |
| 7304-BECB-TVP |
20 mm x 52 mm x 15 mm |
| MJT 3/4 |
19.05 mm x 50,8 mm x 17,46 mm |
| 7816CG/GNP42 |
80 mm x 100 mm x 10 mm |
| 5S-2LA-BNS020CLLBG/GNP42 |
100 mm x 150 mm x 24 mm |
| ZA-49BWD03CA153 |
49 mm x 84 mm x 48 mm |
| 85BER10X |
85 mm x 130 mm x 22 mm |
| ML71910CVUJ74S |
50 mm x 72 mm x 12 mm |
| QJ 2324 N2 |
120 mm x 260 mm x 86 mm |
| S7011 ACB/HCP4A |
55 mm x 90 mm x 18 mm |
| 71914 ACB/P4A |
70 mm x 100 mm x 16 mm |
| 7211 CTBP4 |
- |
| 7056 BDB |
- |
| 5S-2LA-HSE912ADG/GNP42 |
60 mm x 85 mm x 13 mm |
| KYA025 |
63,500 mm x 76,200 mm x 6,350 mm |
| 71912 CB/HCP4AL |
60 mm x 85 mm x 13 mm |
| 7328B |
140 mm x 300 mm x 62 mm |
| IJ122003 |
- |
| 5208SCLLM |
40 mm x 80 mm x 30,2 mm |
| 3002-B-2Z-TVH |
15 mm x 32 mm x 13 mm |
| 7407 ADT |
- |
| 7036 CDB |
- |
| 7011 CD/P4AL |
55 mm x 90 mm x 18 mm |
| 7326BF3DFC3P5 |
130 mm x 280 mm x 116 mm |
| 7017 ACD/HCP4AL |
85 mm x 130 mm x 22 mm |
| 95BNR10X |
95 mm x 145 mm x 24 mm |
| 3222 A |
110 mm x 200 mm x 69.8 mm |
| SEA60 7CE3 |
60 mm x 78 mm x 10 mm |
| 7232 ATBP4 |
- |
| HAR030CA |
150 mm x 225 mm x 35 mm |
| VEX 55 /NS 7CE1 |
55 mm x 90 mm x 18 mm |
| 7019 ACD/P4AL |
95 mm x 145 mm x 24 mm |
| 71802 ATBP4 |
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