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NTN21320Spherical Roller Bearing – 100 mm ID, 215 mm OD, 47 mm Width, Straight Bore, CN

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Spherical roller bearing, 100 x 215 x 47 mm, straight bore, 370,000 N dynamic rating, CN clearance. NTN 21320, 213 series, machined cage, plain rings.

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$237.12

1 in stock

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Specifications

Key Specifications

MFR / BrandNTN
MPN21320
Model21320 M
Bearing TypeSpherical Roller Bearing
ID100 mm
OD215 mm
Width47 mm

Technical Specifications

Series213
LubricantGrease or oil
Mpn Variants21320, 21320-M, 21320M
Precision ClassRBEC 1 / P0
Min Temp-40 °C
Cage TypeMachined
Dynamic Load Rating370,000 N
Static Load Rating465,000 N
Rolling ElementsSpherical Roller
Max Temp120 °C
Item Weight8.74 kg (19.27 lb)
Limiting Speed2,000 rpm grease; 2,600 rpm oil
Number Of Rows1
Bore TypeStraight
Snap Ring IncludedNo
Internal ClearanceCN

Cross-References

Cross Reference 1SKF 21320 E
Cross Reference 2FAG 21320-E1-XL
Cross Reference 3Timken 21320EJW33
Seller Part Number: B-BI6#SLS0BQ

Product Description

What this part is

NTN 21320 single-row spherical roller bearing, 213 series, straight bore. Bore Diameter: 100 mm. Outside Diameter: 215 mm. Width: 47 mm. Internal Clearance: CN.

Decoding the designation

213 — NTN spherical roller series 213: single-row, medium-heavy section.

20 — bore code, 100 mm.

No clearance suffix — normal (CN) radial internal clearance.

What these specs mean in practice

Dynamic Load Rating: 370,000 N. Static Load Rating: 465,000 N. Limiting Speed: 2,000 rpm grease; 2,600 rpm oil. Item Weight: 8.74 kg (19.27 lb). Cage Type: Machined. Precision Class: RBEC 1 / P0. Operating Temperature: -40 °C to 120 °C. The single row of barrel-shaped rollers carries heavy radial load while the spherical outer raceway lets the bearing self-align under shaft deflection. Calculation factors: e 0.22; Y1 3.01; Y2 4.48; Y0 2.94.

Mounting data

Shaft abutment da min: 114 mm. Housing abutment Da max: 201 mm. Fillet r: 2.5 mm; ras max: 2.5 mm.

Interchange guidance

Same envelope, 213-series spherical roller: SKF 21320 E, FAG 21320-E1-XL, Timken 21320EJW33.

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