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KoyoNJ317C3Single-Row Cylindrical Roller Bearing 85 x 180 x 41 mm, NJ Design, Straight Bore, C3 Clearance, Locates in One Direction

Condition: New

Availability:

10 in stock

Single-row cylindrical roller bearing, 85 x 180 x 41 mm, straight bore, NJ design with one inner-ring rib, C3 clearance, 225 kN dynamic rating.

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List Price

$143.99

10 in stock

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Specifications

Key Specifications

MFR / BrandKoyo
MPNNJ317C3
ModelNJ317C3FY
Bearing TypeCylindrical Roller Bearing, Open
ID85 mm
OD180 mm
Width41 mm

Technical Specifications

MaterialBearing Steel
Series300
Base NumberNJ317
Industry TermsSingle row cylindrical roller bearing, NJ bearing, one direction locating bearing, gearbox roller bearing, electric motor roller bearing, straight bore roller bearing, separable bearing
Common MisspellingsNJ317-C3, NJ 317C3, NJ317 C-3, NJH317, NJ3170C3, Koyo NJ317C3, NJ317C3FY
Application TypesIndustrial gearboxes, electric motors, pumps, fans and blowers, rolling mill drives, conveyor drives, machine tool feed drives
Number Of Flanges2
Bore Shaft Size85 mm (3.3465 in)
Mpn VariantsNJ317C3, NJ 317 C3, NJ-317-C3, NJ317, NJ317FY, NJ317C3FY, NJ317E, NJ317EM, NJ317ECM
Dynamic Load Rating225,000 N
Static Load Rating247,000 N
Rolling ElementsCylindrical Rollers
Item Weight4.67 kg (10.3 lb)
Cage MaterialBrass
Number Of Rows1
Bore TypeStraight
Snap Ring IncludedNo
Limiting Speed3,300 rpm grease; 4,500 rpm oil
Harmonization Code8482.50.00.00
Internal ClearanceC3
Part NumberNJ317C3

Cross-References

Cross Reference 1NTN NJ317C3
Cross Reference 2NSK NJ317C3
Cross Reference 3Nachi NJ317C3
Cross Reference 4Timken NJ317 - no clearance code shown
Cross Reference 5SNR NJ317 - no clearance code shown
Cross Reference 6SKF NJ 317 ECJ/C3 - E design, higher rating
Cross Reference 7FAG NJ317-E-XL-M1-C3 - E design, higher rating
Cross Reference 8NSK NJ317EC3 - E design, higher rating
Seller Part Number: B-BM6#BCB601

Product Description

What this part is:

Koyo NJ317 C3 single-row cylindrical roller bearing, 85 mm bore, 180 mm outside diameter, 41 mm width. Straight bore, open, NJ design with two outer-ring ribs and one inner-ring rib, C3 radial internal clearance. One complete separable bearing: the ribbed outer ring and the inner ring with its roller and cage assembly. Unit Quantity: 1 Pc.

Decoding the designation:

NJ — single row, two ribs on the outer ring and one rib on the inner ring; locates the shaft axially in one direction.

3 — ISO dimension series 3.

17 — bore code for an 85 mm bore.

C3 — radial internal clearance greater than normal.

FY — Koyo cage code, brass.

Specifications:

Bore Diameter: 85 mm (3.3465 in). Outside Diameter: 180 mm (7.0866 in). Width: 41 mm (1.6142 in). Number Of Rows: 1. Rolling Elements: Cylindrical Roller. Bore Type: Straight. Closure Type: Open. Internal Clearance: C3. Cage Material: Brass. Dynamic Load Rating: 225,000 N. Static Load Rating: 247,000 N. Limiting Speed: 3,300 rpm grease; 4,500 rpm oil. Item Weight: 4.67 kg (10.3 lb). Bearing Material: Through-hardened bearing steel. Series: NJ 3. Base Number: NJ317. Country of Origin: Japan.

Dimensions and mounting:

Rib arrangement: two outer-ring ribs, one inner-ring rib (NJ). Cross-section: 47.5 mm. The rings separate, so inner and outer ring mount independently.

Compatibility and replacement:

Cross-references: NTN NJ317C3; NSK NJ317C3; Nachi NJ317C3; Timken NJ317; SNR NJ317; SKF NJ 317 ECJ/C3 and FAG NJ317-E-XL-M1-C3 (E designs, higher ratings). NU317, N317 and NUP317 share the 85 x 180 x 41 mm envelope and radial rating with different rib arrangements. Designation variants: NJ 317 C3, NJ-317-C3, NJ317, NJ317FY, NJ317C3FY.

Frequently asked questions:

What size is the Koyo NJ317C3?

85 mm bore, 180 mm outside diameter, 41 mm width, straight bore.

What does NJ mean in NJ317C3?

NJ is a single-row cylindrical roller bearing with one rib on the inner ring and two on the outer ring, locating the shaft axially in one direction.

What are the load ratings of the NJ317C3?

Dynamic load rating 225,000 N and static load rating 247,000 N; limiting speed 3,300 rpm on grease and 4,500 rpm on oil.

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