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NTN22218EAW33C3Spherical Roller Bearing 90 x 160 x 40 mm, Double Row, Self-Aligning, Straight Bore, C3 Clearance, W33 Lubrication Groove, Pressed Steel Cage

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Double-row spherical roller bearing, 90 x 160 x 40 mm, self-aligning, C3 clearance, W33 lubrication groove, 384 kN dynamic rating, 3,200 rpm grease.

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$146.85

2 in stock

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Specifications

Key Specifications

MFR / BrandNTN
MPN22218EAW33C3
GTIN3413520083847
Model22218EA W33 C3
Bearing TypeSpherical Roller Bearing, Open
OD160 mm

Technical Specifications

Base Number22218
Overall Width40 mm
Bore Shaft Size90 mm
RelubricationW33 lubrication groove with three radial feed holes
Mpn Variants22218 EA W33 C3; 22218EAW33; 22218E C3
Precision ClassJIS Class 0
Additional Attributesr min 2.0 mm; da min 101 mm; Da max 149 mm; outer land diameter D1 144 mm; e 0.23; Y1 2.90; Y2 4.31; Y0 2.83; W33 groove width W0 10 mm; W33 groove diameter d1 105 mm; three radial feed holes d0 4.5 mm
MaterialThrough-hardened steel
Min Temp-40 °C
Cage TypePressed
Dynamic Load Rating384.00 kN (86,500 lbf)
Static Load Rating398.00 kN (89,500 lbf)
Precision RatingRBEC 1
Series22200
Rolling ElementsSpherical Roller
Max Temp200 °C
Item Weight3.280 kg (7.231 lb)
Cage MaterialPressed Steel
Limiting Speed3200
Number Of Rows2
Bore TypeStraight
Internal ClearanceC3
LubricantGrease or oil
Design UnitsMetric
Part Number22218EAW33C3
Seller Part Number: B-BH3#BBLQTM

Product Description

What this part is

This is an NTN 22218EAW33C3 double-row spherical roller bearing in the 90 x 160 x 40 mm envelope. Bore / Shaft Size: 90 mm. Outside Diameter: 160 mm. Overall Width: 40 mm. Rolling Elements: Spherical Roller. Number Of Rows: 2. Bore Type: Straight. Closure Type: Open. Series: 22200. Base Number: 22218. Design Units: Metric. Material: Through-hardened steel. Cage Material: Pressed Steel. Cage Type: Pressed. Item weight: 3.280 kg (7.231 lb).

Decoding the designation

22218 — the ISO 22218 double-row spherical roller size, 90 x 160 x 40 mm.

EA — NTN’s high-capacity design.

W33 — an annular lubrication groove in the outer ring outside diameter with three radial feed holes into the rolling elements.

C3 — internal radial clearance greater than normal.

What these specs mean in practice

Two rows of barrel rollers run on a spherical outer raceway, so the bearing takes thrust in both directions and self-aligns to accommodate shaft-to-housing misalignment. Dynamic load rating: 384.00 kN (86,500 lbf). Static load rating: 398.00 kN (89,500 lbf). Limiting Speed: 3,200 rpm grease / 4,000 rpm oil. Internal Clearance: C3. Precision Class: JIS Class 0. Precision rating: RBEC 1. Lubricant: Grease or oil. Relubrication: W33 lubrication groove with three radial feed holes, suiting either grease or an oil feed. Max temp: 200 °C. Min temp: -40 °C.

Mounting data

Chamfer dimension r min: 2.0 mm. Shaft abutment da min: 101 mm. Housing abutment Da max: 149 mm. Outer land diameter D1: 144 mm. W33 groove width W0: 10 mm, groove diameter d1: 105 mm, with three radial feed holes at d0: 4.5 mm. Calculation factors run e: 0.23, Y1: 2.90, Y2: 4.31 and Y0: 2.83 for equivalent load work.

Quantity and configuration

Unit Quantity: 1 Pc, supplied as a single open double-row bearing on a straight cylindrical bore for direct shaft fitting.

Interchange guidance

Part Number: 22218EAW33C3. MPN Variants: 22218 EA W33 C3, 22218EAW33, 22218E C3. Match the size, the double-row spherical roller form, the W33 groove and the C3 clearance grade together when comparing designations across manufacturers.

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