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MRCAngular Contact Ball Bearing – Straight Bore, 85 mm ID, 180 mm OD, 41 mm Width, Open, 40° Contact Angle, Machined Bronze Cage

Condition: New

Availability:

1 in stock

Angular contact ball bearing, 85 x 180 x 41 mm, 40° contact angle, open, machined bronze cage. Universally ground for duplex mounting, ABEC 3 precision.

List Price

$351.88

1 in stock

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Specifications

Key Specifications

MFR / BrandMRC
GTIN097741092982
Model7317 317B DE 317 BDE BRZ
Bearing TypeAngular Contact Ball Bearing, Open
ID85 mm
OD180 mm
Width41 mm

Technical Specifications

MaterialBearing Steel
Series300
LubricantOil/Grease
Base Number7317
Industry TermsAngular contact ball bearing; duplex half pair; universally ground; 40 degree contact angle; bronze cage bearing; machine tool bearing
Common Misspellings317 BDE; 317BDE MRC; 317BDEBRZ; 317-BDE
Overall Width41 mm
Bore Shaft Size85 mm (3.3465 in)
Mpn Variants317BDE; 317-B-DE; 317 BDE; 317B DE; 7317BDE; 7317 BDE; 317BDE BRZ
Rolling ElementsBall
Number Of Rows1
Bore TypeStraight
Snap Ring IncludedWithout Snap Ring
Harmonization Code8482.10.50
Part Number317BDE

Cross-References

Cross Reference 1SKF 7317 BE – cage differs, not universal ground
Cross Reference 2FAG 7317-B-TVP – polyamide cage, not universal ground
Seller Part Number: B-BM3#RYEG0D

Product Description

What this part is

MRC 317BDE single-row angular contact ball bearing. Bore: 85 mm. Outside diameter: 180 mm. Width: 41 mm. Series: 300, the ISO 7317 envelope. Contact angle: 40°. Open on both faces, with a machined bronze cage. Country of origin: United States.

Decoding the designation

317BDE is written on the carton as 317BDE, 317 B DE and 7317. The DE execution is a universally ground single bearing supplied with controlled face relationship and end play as clamped, so it can be mounted back-to-back, face-to-face or in tandem against another bearing from an identically marked carton. BRZ: machined bronze cage. Precision Class: ABEC 3.

What these specs mean in practice

A 40° contact angle is the heaviest thrust rating in the angular contact range, carrying high axial load in one direction and taking reversing thrust when mounted against a second bearing. The trade is speed: a 40° bearing runs slower than a 15° or 25° bearing of the same envelope. A machined bronze cage tolerates higher temperature and oil-mist or circulating-oil lubrication better than a pressed steel cage. ABEC 3 gives closer running accuracy and lower vibration than standard tolerance.

Quantity and configuration

One piece. A DE bearing is one half of a duplex pair, ground so that any two bearings from cartons with identical markings match each other. Mountable singly, or stacked in DB, DF or DT relationship as the application requires.

Fitting notes

Shaft and housing fits are kept light on a controlled-face bearing, since internal clearance changes the flushness of the ring faces. A DE execution is the correct choice where a heavy press fit, misalignment or high operating temperature is present, because it is ground with end play as clamped. Axial clamping of both inner rings sets the arrangement.

Interchange guidance

SKF 7317 BE and FAG 7317-B-TVP share the same size and 40° angle, but neither is face-ground for universal mounting, and their cage materials differ. Searchable forms of the designation: 317BDE, 317-B-DE, 317 BDE, 7317 BDE, 317BDE BRZ.

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