NTN-SNR BEARING RULMENTI S.R.L.

Single row tapered roller bearings

Taper roller bearings can take both axial and radial loads. The axial load carrying capacity of the bearings is largely determined by the contact angle α as shown in the figure below. If the contact angle α is larger, then the axial load carrying capacity is higher and vice versa.

Taper roller bearings are designed in such a way that vertices of the cone for each roller and those for the inner and outer raceways coincides on the bearing axis or extensions of the raceways and rollers converge at a common point on the axis of rotation. This results in true rolling motion of the rollers on the raceways at every point along the rollers. The taper roller bearings support radial loads and axial loads from one direction only. The line contact between rollers and raceways provide the bearings with a high load carrying capacity.

Steep angle taper roller bearing with exceptionally steep cone angle enables the bearings to take heavier axial load. The bearings are of separable type, enabling separate mounting of cups and cones.

Since the taper roller bearings can absorb thrust loads in one direction only, these bearings should generally be installed as opposed mountings. The correct amount of radial and axial clearance is obtained by adjusting the two bearings against each other.

60 mm x 130 mm x 31 mm NTN 30312U Single row tapered roller bearings
4300 rpm
3600 rpm
45 mm x 100 mm x 25 mm NTN 30309U Single row tapered roller bearings
0.93
104.75 mm
45 mm x 100 mm x 25 mm SNR 30309.A Single row tapered roller bearings
110 mm
280 N/µm
40 mm x 90 mm x 23 mm SNR 30308.A Single row tapered roller bearings
72.0000 mm
No Shield, no Seal
35 mm x 80 mm x 21 mm NTN 30307U Single row tapered roller bearings
110.000 mm
Two Shields & Snap-R
35 mm x 80 mm x 21 mm SNR 30307.A Single row tapered roller bearings
4000 rpm
2400 rpm
30 mm x 72 mm x 19 mm SNR 30306.A Single row tapered roller bearings
96500 N
85.000 mm
200 mm x 360 mm x 58 mm NTN 30240UUTG Single row tapered roller bearings
1.00 mm
475000 N
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