Nachi Bearing 6005-2NSE Single Row Deep Groove Ball Bearing 25x47x12mm Seals

Replacing a bearing on a 25 mm shaft and finding the old number worn off? The 6005-2NSE is the standard 6005 size — 25 mm bore, 47 mm outside diameter, 12 mm wide — with a rubber seal on both faces. The deep groove raceway carries radial and axial load on one row of balls, the two seals keep dust and moisture off the raceway and hold the grease in, and the body is carbon steel. Price on request.

A bearing failure on a running machine usually comes down to the same three things: nobody can read the number off the old part, an open raceway swallows shop dust within a shift, and the replacement goes in with the wrong seal, so the same failure comes back. The 6005-2NSE is built to remove all three.

It is a single row deep groove ball bearing with a 25 mm bore, a 47 mm outside diameter and a 12 mm width. Both faces carry a rubber seal, which is what the 2 in 2NSE records. The seals close the raceway against dust and moisture and keep the packed grease on the balls, so the bearing is not waiting on a clean workshop to reach its next service.

The deep groove raceway carries radial load and axial load from the same single row, and the section stays at 12 mm, which is the width of the seat already cut in the housing. A 25 mm bore on the shaft and a 47 mm outside diameter in the housing hold the fit without a sleeve or shim.

The rings and balls are carbon steel and the two seals are rubber, in the standard 6005 envelope: 25 × 47 × 12 mm. That size sits in electric motors, pumps, compressors, gearboxes and home appliances. Supplied by Shunhongyu, price on request.

What decides whether a replacement bearing holds up to the next service interval:

• The standard 6005 envelope. 25 mm bore, 47 mm outside diameter, 12 mm width, so the shaft journal and the housing bore stay as they are.
• A rubber seal on each face. Two seals close the raceway, which is the 2 in 2NSE; dust and moisture stop at the seal line instead of reaching the balls.
• Deep groove raceway. The groove carries radial load and axial load from one row of balls, so a shaft that also pushes or pulls needs no second bearing.
• Sealed in, not shielded over. The seals hold the packed grease inside the raceway, so relubrication is not what keeps it alive.
• Carbon steel body. Rings and balls are carbon steel per the part specification and the 2 seals are rubber, so the wear items are the seals, not the bearing body.
• The seal code is on the sheet. The specification field reads NSE, so the seal type can be checked against the part number before an order is released.
• Finished for rotational accuracy. The raceways are finished for rotational accuracy; friction and running noise at the shaft stay low.
• One string covers size and sealing. 6005 gives the 25 × 47 × 12 mm envelope and 2NSE the seals on both sides, so one number reorders the bearing.

A bearing change is rarely the hard part. Matching the number, the seal and the seat before the machine stops is. What a buyer gets here:

• One order, one part number. 6005-2NSE carries the size and the sealing in one string — 25 × 47 × 12 mm, sealed both sides — so the machine plate and the stores list name the same part.
• The machine goes back on its own seat. A 25 mm shaft and a 47 mm housing bore are the standard 6005 fit, so there is no re-machining, no sleeve and no shim at refit.
• Dust stays out of the raceway. Rubber seals on both faces are the difference between a bearing that reaches the next service interval and one that grinds itself out on shop dust.
• Axial load is not a surprise. The deep groove takes the push as well as the radial load, so one bearing type covers the position instead of two.
• Reorder by number, not by sample. 6005 decodes to the size and 2NSE to the seals, so the next order does not depend on a photo of the part that failed.
• A wear item, priced like one. The bearing is quoted per order and per quantity, so a service spare sits in the drawer before the failure instead of after it.

25 mm bore, 47 mm outside diameter and 12 mm width. That is the standard 6005 envelope, so the bore takes a 25 mm shaft and the outside diameter seats in a 47 mm housing.

Yes. Each face carries a rubber seal, which is the 2 in 2NSE; dust and moisture stop at the seal line and the packed grease stays in the raceway.

It is the seal designation: two seals, NSE seal type, on a single row bearing. The part specification lists NSE, so the code can be checked before the order is released.

Yes. 25 × 47 × 12 mm is the standard 6005 size, so the old bearing of that number comes out and this one goes in without re-machining the housing or changing the shaft.

Yes. The deep groove raceway carries both from the same single row of balls, so a shaft that pushes or pulls does not need a second bearing type alongside it.

Electric motors, pumps, compressors, gearboxes, automotive components and home appliances. Those are the positions listed for this bearing, all on a 25 mm shaft that needs a sealed part.

Carbon steel, with a rubber seal on each side. The specification lists the material as carbon steel and the sealing as NSE, and both are carried on the same part number.

Send the quantity you need and the price is quoted for that order. The listing shows price on request because a bearing order is priced by quantity.