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Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
Availability:
2 in stock
Single-row cylindrical roller bearing, 85 mm bore x 150 mm OD x 28 mm wide, straight bore, P5 precision. N design: two inner-ring ribs and a plain outer ring, so the bearing is non-locating and allows axial shaft movement. 120 kN dynamic rating. Sold as 1 Pc.
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2 in stock
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| MFR / Brand | RHP |
|---|---|
| MPN | N217P5 |
| Model | N217P5 |
| Bearing Type | Cylindrical Roller Bearing, Open |
| ID | 85 mm |
| OD | 150 mm |
| Width | 28 mm |
| Material | Bearing Steel |
|---|---|
| Series | N200 |
| Base Number | N217 |
| Industry Terms | Single row cylindrical roller bearing, N type bearing, non locating bearing, floating bearing, separable bearing, precision spindle roller bearing, straight bore roller bearing |
| Common Misspellings | N217-P5, N 217P5, N217 P-5, NN217P5, N2I7P5, RHP N217P5, N217EP5 |
| Application Types | Machine tool spindles, precision gearboxes, electric motors, pumps, rolling mill drives, floating bearing positions in high-load shafts |
| Bore Shaft Size | 85 mm (3.3465 in) |
| Mpn Variants | N217P5, N 217 P5, N217EP5, N-217-P5, N217, N 217, N217M, N217W |
| Rolling Elements | Cylindrical |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.50.00 |
| Part Number | N217P5 |
| Cross Reference 1 | NSK N217W (N design; normal precision, not P5) |
|---|---|
| Cross Reference 2 | NTN N217 (N design; normal precision, not P5) |
| Cross Reference 3 | Nachi N217 (N design; normal precision, not P5) |
| Cross Reference 4 | SKF N 217 ECP (E design, higher load rating; not P5) |
| Cross Reference 5 | FAG N217-E-XL-TVP2 (E-XL design, higher rating; not P5) |
An RHP N217 P5 single-row cylindrical roller bearing, 85 mm bore x 150 mm outside diameter x 28 mm wide, straight bore, built to P5 precision. One row of cylindrical rollers carries 120 kN dynamic and 140 kN static radial load in a 32.5 mm cross-section. The N design puts both ribs on the inner ring and leaves the outer ring plain, which makes this a non-locating bearing for the floating position in a shaft arrangement.
N — single row with two ribs on the inner ring and a plain, ribless outer ring. The outer ring separates from the inner ring, roller and cage assembly.
2 — ISO dimension series 2 (medium section). 17 — 85 mm bore.
P5 / EP5 — RHP precision class 5, equivalent to ABEC 5. The EP prefix is RHP’s own form of the same class.
Axial location and the N, NU, NJ and NUP designs:
N: two inner-ring ribs, plain outer ring. Non-locating, so the shaft is free to move axially through the bearing. This bearing. NU: two outer-ring ribs, plain inner ring, also non-locating. NJ: one inner-ring rib, locates the shaft in one direction. NUP: two inner-ring ribs, one a loose flange ring, locates the shaft in both directions.
An N217 and an NU217 share the same 85 x 150 x 28 mm envelope and both accommodate axial displacement, but the ribs sit on opposite rings, so the separable half and the direction of assembly differ. An NJ217 or NUP217 in this position adds axial constraint the arrangement was not designed for.
Line contact between roller and raceway is what buys the load capacity: a cylindrical roller spreads its load along a line rather than a point, giving several times the radial rating of a ball bearing in the same envelope, at the cost of a lower speed ceiling and no meaningful thrust capacity. P5 precision tightens bore, outside diameter and running accuracy well beyond the normal class, which is what suits this bearing to machine-tool and instrument spindles where radial runout carries straight through to the workpiece.
Because the outer ring is plain, axial float in this position is set by how the outer ring is clamped, and the shaft’s thermal growth is taken up inside the bearing rather than being forced into the housing.
Bore d: 85 mm (3.3465 in). Outside diameter D: 150 mm (5.9055 in). Width B: 28 mm (1.1024 in). Basic dynamic load rating Cr: 120 kN. Basic static load rating C0r: 140 kN. Rows: 1, cylindrical roller. Bore form: straight cylindrical. Rib arrangement: two inner-ring ribs, plain outer ring (N). Precision class: P5 / EP5 (ABEC 5). Radial internal clearance: normal (CN), no clearance suffix in the designation. Closure: open, no seals or shields. Material: through-hardened bearing steel. Separable: the outer ring lifts away from the inner ring, roller and cage assembly.
Sold as 1 Pc — one complete bearing: the plain outer ring, and the twin-ribbed inner ring carrying the roller and cage assembly. The two halves are a matched set.
The inner ring goes on with an interference fit, heated or pressed square to the shaft shoulder, and the plain outer ring seats in the housing bore to the fit the drawing calls for. Because the halves separate, they mount independently and the outer ring is introduced over the roller set afterwards. Each ring is marked, and the roller assembly returns to its original outer ring. On a P5 bearing the shaft and housing seats carry the accuracy: seat geometry and squareness are what the precision class is bought for.
Same-envelope N-design equivalents at 85 x 150 x 28 mm: NSK N217W, NTN N217, Nachi N217, SKF N 217 ECP, FAG N217-E-XL-TVP2. Most are normal-precision or uprated E designs, so none is a P5 match. Related sizes, not substitutes: NU217, NJ217 and NUP217 share this envelope and radial rating but carry their ribs differently and behave differently axially.
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