Reliable.
Responsive.
Relentless.
Contact Us
Send Message
Expand Hide
National Precision Bearing

Form Submitted

Thank you for reaching out. We will be in touch with you shortly.

R18

Category

Ball Bearings

Subcategory

R Series

NPB Part Series R18
Standard Reference No. R18
PRODUCT MODELS

Need a CAD or 3D Model?

Buy Now

Request a Quote

Contact Us

/media/n2jc5meb/standard-bearing-dims.png?height=258

Specifications

  • Bore Diameter Fraction
    1-1/8
  • Bore Diameter Inches
    1.1250
  • Bore Diameter Tolerance
    -.0004
  • Fractional
    2-1/8
  • Outside Diameter Inches
    2.125
  • Outside Diameter Tolerance
    0.0005
  • Open Width
    .3750
  • Seal/Shielded Width
    .5000
  • Max Fillet
    0.031
  • Ball Complement No.
    11
  • Ball Complement Size
    1/4
  • Dynamic Load Rating
    1840
  • Static Load Rating
    1225
  • Download Spec Sheet

Products Available Online

Don't see the product
you're looking for?

Contact Us

INTERCHANGE

National Precision Bearing Part series R18 is a potential replacement for these common bearing part numbers:

Add to Cart

NPB Part Series
{{vm.product.series}}
Standard Ref #
{{vm.product.standardReferenceNumber}}
Specific Name
{{vm.product.name}}
Total

${{(vm.cartCount * vm.product.unitPrice) | number:2}}

Product Brochures

View and download from our brochure library.

View All Brochures

We're here
to help

Anything you need, any questions or concerns you have, you can ask us here. An NPB team member will get back to you promptly.

view our locations
Sales Offices

Thank You

Thank you for your interest.

{{$root.alert.title}}

{{$root.alert.closeText}} {{$root.alert.secondButton.text}}