NTNNF226Cylindrical Roller Bearing – 130 mm Bore, 230 mm OD, 40 mm Wide, NF Design, Straight Bore, CN Clearance

Product Description

What this part is:

NTN NF226 single-row cylindrical roller bearing, open, with a pressed steel cage. Bore Diameter: 130 mm. Outside Diameter: 230 mm. Overall Width: 40 mm. The NF design has two ribs on the inner ring and one rib on the outer ring, locating the shaft in one axial direction. Complete assembly: outer ring with one rib, inner ring with two ribs, roller complement and cage. Sold as 1 Pc.

Decoding the designation:

N — cylindrical roller bearing.

F — NTN rib arrangement code: two ribs on the inner ring plus one rib on the outer ring.

2 — ISO dimension series 02.

26 — bore code; 26 x 5 gives the 130 mm bore.

Specifications:

Dynamic Load Rating: 270,000 N.

Static Load Rating: 340,000 N.

Limiting Speed: 2,900 rpm grease; 3,400 rpm oil.

Internal Clearance: CN.

Precision Class: RBEC 1 / P0.

Cage Material: Pressed steel.

Bearing Material: Hardened alloy steel.

Lubricant: Grease or oil.

Rolling Elements: Cylindrical Roller. Number Of Rows: 1. Bore Type: Straight. Closure Type: Open.

Item Weight: 6.62 kg (14.60 lb).

Series: 02.

Harmonization Code: 8482.50.00.00.

Country of Origin: Japan.

Unit Quantity: 1 Pc.

Dimensions and mounting:

Bore Diameter: 130 mm. Outside Diameter: 230 mm. Overall Width: 40 mm. Roller path diameter Ew: 204 mm. Cage pitch diameter J: 165.5 mm. Chamfer r: 3 mm. Shaft shoulder da min: 143 mm. Housing shoulder Da max: 217 mm. Inner-ring abutment Db min: 208 mm, Db max: 217 mm. The inner ring is separable from the outer ring and roller set. No oil hole in the outer ring.

Compatibility and replacement:

Cross-references: Koyo NF226, NSK NF226, Nachi NF226 (same NF design and envelope). Same 130 x 230 x 40 mm envelope with a different rib arrangement: NTN NJ226, SKF NJ 226 ECP and FAG NJ226-E-XL-TVP2 locate in the opposite direction; SKF NU 226 ECP and FAG N226-E-M1 are non-locating; SKF NUP 226 ECP locates in both directions. The number is also written NF226, NF-226 and NF 226.

Frequently asked questions:

What are the dimensions of the NTN NF226?

Bore 130 mm, outside diameter 230 mm, width 40 mm.

What are the load ratings and speeds of the NTN NF226?

Dynamic load rating 270,000 N, static load rating 340,000 N; limiting speed 2,900 rpm on grease and 3,400 rpm on oil (NTN Bearing Finder).

What does the F in NF226 mean?

F is the NTN rib arrangement code: two ribs on the inner ring and one rib on the outer ring, so the bearing locates the shaft in one axial direction.