TIMKEN NU30/670 | Cylindrical Roller Radial Bearings - Single Row ISO

Specifications of TIMKEN Bearing NU30/670

Specifications

Design Units	Metric
d – Bore	670 mm
Bearing Weight	608.000 Kg1340.40 lb
Type	NU

Dimensions

D – Outer Diameter	980 mm38.5827 in
C – Inner Ring Width	230 mm9.0551 in
B – Outer Ring Width	230 mm9.0551 in

Basic Load Ratings

C0 – Static Radial Rating	14000000 N3150000 lbf
C – Dynamic Radial Rating¹	7510000 N1690000 lbf

Factors

Reference Thermal Speed Rating (Grease)	210 rpm
Reference Thermal Speed Rating (Oil)²	230 rpm
Cg – Geometry Factor³	0.372

Abutment and Fillet Dimensions

R – Inner Ring “To Clear” Radius⁴	6 mm0.200 in
r – Outer Ring “To Clear” Radius⁵	6 mm0.2 in
da – Inner Ring Backing Diameter	725 mm28.6000 in
Da – Outer Ring Backing Diameter	914 mm36.0000 in

Product description of TIMKEN Bearing NU30/670

TIMKEN Bearing NU30/670, It belongs to TIMKEN Bearing > Cylindrical Roller Bearings > Cylindrical Roller Radial Bearings - Single Row ISO.Timken® single-row EMA series cylindrical roller bearings incorporate a unique cage design, proprietary internal geometry and special surface textures, available in a wide variety of size ranges and configurations.Minimize drag. Reduce heat. And perform better, for longer, with less maintenance and downtime. These are the true tests of any bearing. Our comprehensive line of single-, double- and multi-row Timken® cylindrical roller bearings helps extend equipment life and lower maintenance costs.

TIMKEN Bearing NU30/670,Cylindrical Roller Radial Bearings - Single Row ISO. N (RIN, RN) These bearings carry radial load only and can accommodate both expansion and contraction. The relative axial displacement of one ring to the other occurs with minimum friction while the bearing is rotating. Type N bearings may be used in one or two positions for shaft support if other means of axial location are provided. The outer ring has a cylindrical bore without ribs and the inner ring incorporates two ribs.

Size range:
80 mm to 2000 mm OD

Design Attributes
Design has a cylindrical outer ring and two ribs on the inner ring, making type N bearings well suited for use as floating bearings.
Separable components simplify mounting and removal.
Accommodates axial expansion and contraction.
Provides axial displacement between rings with minimum friction while rotating.
Supports heavy radial loads.
Not suitable for applications with thrust loads.

TIMKEN Bearing NU30/670,Cylindrical Roller Radial Bearings - Single Row ISO. Applications Cement making equipment such as crushers; vertical, ball and rolling mills; conveyor drives; gear reducers, spherical pillow blocks; trunnions and rotary kilns Power generation equipment such as pulverizers, gearboxes and gear drives Oilfield equipment such as mud pumps, draw-works, swivels, block hooks, crown blocks, traveling blocks and top drives Timken offers standard and specially designed single-row cylindrical roller bearings in a wide range of configurations and series for your application requirements. Our EJ series steel cage bearings available in 65-150 mm bore sizes, are part of our offering that includes brass cage and full-complement cylindrical roller bearings.

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