TIMKEN NU317EJ | Cylindrical Roller Radial Bearings - Single Row ISO

Specifications of TIMKEN Bearing NU317EJ

Specifications

Design Units	Metric
d – Bore	85 mm
Bearing Weight	4.5 Kg10.1 lb
Type	NU

Dimensions

D – Outer Diameter	180 mm7.0866 in
C – Inner Ring Width	41 mm1.6142 in
B – Outer Ring Width	41 mm1.6142 in

Basic Load Ratings

C0 – Static Radial Rating	314000 N70600 lbf
C – Dynamic Radial Rating¹	313000 N70400 lbf

Factors

Reference Thermal Speed Rating (Grease)	3700 rpm
Reference Thermal Speed Rating (Oil)²	4300 rpm
Cg – Geometry Factor³	0.0920

Abutment and Fillet Dimensions

R – Inner Ring “To Clear” Radius⁴	3 mm0.120 in
r – Outer Ring “To Clear” Radius⁵	3.0 mm0.12 in
da – Inner Ring Backing Diameter	103.6 mm4.0800 in
Da – Outer Ring Backing Diameter	160 mm6.3000 in

Product description of TIMKEN Bearing NU317EJ

TIMKEN Bearing NU317EJ, 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 NU317EJ,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 NU317EJ,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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