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239/500L1KW33C3

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NTN 239/500L1KW33C3 spherical roller bearing with a 500 mm bore, tapered bore (1:12), brass cage, and W33 annular lube groove with three lube holes. Open design with C3 clearance. Suitable for heavy-duty industrial applications such as gearboxes, conveyors, and vibrating screens.

MODEL 239/500L1KW33C3

BRAND

NTN Bearing

SKU

5049008

WEIGHT

279.987 lb

UOM

each

UPC

4547359522648

$119,589.79 Each

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Bearing Modification Services

Typically Ships in: 1 day

Returnable: See conditions

B (in)

5.0394

Bore type

Tapered

Bore Type

Tapered

Cage material

Brass

Cage Material

Brass

Cage type

Machined

Cage Type

Machined

D (in)

26.3780

d (in)

19.6850

d0

0.4724 in

Da max

25.5118 in

da min

20.5512 in

e

0.17

Enclosure

Open

Limiting speed - grease

430 RPM

Limiting Speed - Grease

430 RPM

Material

Through Hardened Steel

r (in)

0.1969

Radial internal clearance

C3

Radial Internal Clearance

C3

ras max

0.1575 in

Ring modification

Relube

Ring Modification

Relube

Series

239

Taper

1:12

Type

Spherical Roller Bearing

W0

0.7874 in

Y0

3.93

Y1

4.02

Y2

5.98

Technical Specifications

Type

 Spherical Roller Bearing

Bore Type

 Tapered

Material

 Through Hardened Steel

Cage Type

 Machined

Cage Material

 Brass

Limiting Speed - Grease

 430 RPM

e

 0.17

Y1

 4.02

Y2

 5.98

Y0

 3.93

Series

 239

Radial Internal Clearance

 C3

Ring Modification

 Relube

Enclosure

 Open

Weight

 279.987 lb127.000 kg

Dimensional Specifications


Spherical Roller Bearing w/ Tapered Bore & Oil Groove - Dimensions

d

 19.6850 in500.000 mm

D

 26.3780 in670.000 mm

B

 5.0394 in128.000 mm

r

 0.1969 in5.000 mm

W0

 0.7874 in20.000 mm

d0

 0.4724 in12.000 mm

da min

 20.5512 in522.000 mm

Da max

 25.5118 in648.000 mm

ras max

 0.1575 in4.000 mm

Drawing
2D Sectional View PDF

How do I choose the right type of bearing for my application?

Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.

When will I be charged for my order?

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