TAC B series bearings incorporate NSK’s recently developed molded polyamide resin cage. In addition, using extra-pure (EP) steel for the inner and outer rings has further enhanced service life. The axial rigidity is high because of a large number of balls and a contact angle of 60˚. Compared with tapered roller bearings of cylindrical roller bearings, this type has lower starting torque; so smoother rotation is possible with less driving force.
Technical data of NSK 35 TAC 72B
ID: 35 mm
OD: 72 mm
Width: 15 mm
Weight: 0.31 kg
Limiting speed for grease lub.: 3600 rpm
Limiting speed for oil lub.: 5000 rpm
NSK 35TAC72BDTPN7A consist of 2 pieces of tandem arrangement NSK 35 TAC 72BPN7A, for machine tools application.
TAC B series NSK Ball screw support bearings catalogue
| Part Number |
d |
D |
B |
| 15 TAC 47B |
15 |
47 |
15 |
| 17 TAC 47B |
17 |
47 |
15 |
| 20 TAC 47B |
20 |
47 |
15 |
| 25 TAC 62B |
25 |
62 |
15 |
| 30 TAC 62B |
30 |
62 |
15 |
| 35 TAC 72B |
35 |
72 |
15 |
| 40 TAC 72B |
40 |
72 |
15 |
| 40 TAC 90B |
40 |
90 |
20 |
| 45 TAC 75B |
45 |
75 |
15 |
| 45 TAC 100B |
45 |
100 |
20 |
| 50 TAC 100B |
50 |
100 |
20 |
| 55 TAC 100B |
55 |
100 |
20 |
| 55 TAC 120B |
55 |
120 |
20 |
| 60 TAC 120B |
60 |
120 |
20 |
| 15 TAC 47B DDG |
15 |
47 |
15 |
| 17 TAC 47B DDG |
17 |
47 |
15 |
| 20 TAC 47B DDG |
20 |
47 |
15 |
| 25 TAC 62B DDG |
25 |
62 |
15 |
| 30 TAC 62B DDG |
30 |
62 |
15 |
| 35 TAC 72B DDG |
35 |
72 |
15 |
| 40 TAC 72B DDG |
40 |
72 |
15 |
| 40 TAC 90B DDG |
40 |
90 |
20 |
| 45 TAC 100B DDG |
45 |
100 |
20 |
NSK Ball screw support bearings with suffix “DG” are with low torque contact seal, with suffix “WPH” are with waterproof grease, increase the reliability and provide for easy handling.