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RHPBSB500DUHEP7Ball Screw Support Bearing — 5.000 in (127 mm) ID, 180 mm OD, 0.875 in Width, 60° Contact Angle, ABEC 7, Heavy Preload

Condition: New

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1 in stock

RHP ball screw support bearing, 5.000 in (127 mm) bore, 180 mm OD, 0.875 in wide, 60° contact angle, ABEC 7 / P4. Universal matched pair, heavy preload.

List Price

$1,382.45

1 in stock

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Specifications

Key Specifications

MFR / BrandRHP
MPNBSB500DUHEP7
ModelBSB-500-DUH-EP7
Bearing TypeAngular Contact Ball Bearing, Open
ID5.0000 in (127.000 mm)
OD180 mm
Width0.8750 in (22.23 mm)

Technical Specifications

MaterialSteel
SeriesBSB
PreloadHeavy
Industry Termsball screw support bearing, BSB, 60 degree angular contact, thrust angular contact, machine tool ball screw bearing
Overall Width0.8750 in (22.23 mm)
Mpn VariantsBSB500DUHP4, BSB500DUHEP7, BSB-500-DUH/DFH-EP7, BSB500DFHEP7, BSB 500 DUH EP7/P4, MM9326WI DUH
Precision ClassABEC 7 / P4
Rolling ElementsBall
Number Of Rows1
Bore TypeStraight
Snap Ring IncludedNo
Harmonization Code8482.10.50
Contact Angle60°
Mounting ArrangementDuplex universal matched pair (DU)
Seller Part Number: B-A4#I5RUYU

Product Description

What this part is

RHP BSB500DUHP4 is an inch-series ball screw support bearing: a single-row angular contact ball bearing with a 60° contact angle, built to carry the high axial loads of a ball screw drive. Bore Diameter: 5.000 in (127 mm). Outside Diameter: 180 mm. Overall Width: 0.875 in (22.23 mm). Contact Angle: 60°. Precision Class: ABEC 7 / P4. Preload: Heavy.

Decoding the designation

BSB — RHP ball screw support bearing series, 60° contact angle.

500 — inch bore code, 5.000 in (127 mm).

DU — duplex universal: two bearings ground as a matched pair with controlled faces, able to be mounted back-to-back, face-to-face or in tandem.

H — heavy preload.

P4 / EP7 — ISO P4 tolerance, equivalent to ABEC 7.

What these specs mean in practice

The 60° contact angle gives high axial stiffness and axial load capacity, the requirement at the fixed end of a ball screw. Heavy preload removes internal play so the screw holds position under reversing thrust. ABEC 7 / P4 tolerances keep runout low for accurate positioning. Rolling Elements: Ball. Number Of Rows: 1. Closure Type: Open. Bore Type: Straight.

Quantity and configuration

Unit Quantity: 2 Pcs. A duplex universal matched pair, carton marked BSB-500-DUH/DFH-EP7.

Interchange guidance

MPN variants: BSB500DUHP4, BSB500DUHEP7, BSB-500-DUH/DFH-EP7, BSB500DFHEP7, BSB 500 DUH EP7/P4. The carton also carries the marking MM9326WI DUH. The 5.000 in bore is an inch envelope, so metric ball screw support bearings are not direct replacements.

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