NTNUCS206-102LD1NRInsert Ball Bearing – 1-1/8 in (28.575 mm) Bore, 62 mm Cylindrical OD, Set Screw Lock, Contact Seals Both Sides, Snap Ring, Relubricatable

Product Description

What this part is

NTN UCS206-102LD1NR is a wide inner ring insert ball bearing with a cylindrical outside diameter, set screw locking, a snap ring and a relubrication hole. Bore Diameter: 1.1250 in (28.575 mm). Outside Diameter: 62 mm. Inner Ring Width: 1.5000 in (38.1 mm). Outer Ring Width: 19 mm. Seal Type: Contact seals both sides, nitrile rubber. Item Weight: 0.350 kg (0.772 lb).

Decoding the designation

UC — wide inner ring insert with set screw locking and flingers.

S — cylindrical outside diameter, for straight-bore housings and machine bores.

206 — light 2 series, 62 mm OD size 06.

102 — inch bore, 1 in + 2/16 in = 1-1/8 in.

D1 — relubrication hole in the outer ring.

NR — snap ring groove in the outer ring, with snap ring fitted.

What these specs mean in practice

Dynamic Load Rating: 19,500 N. Static Load Rating: 11,300 N. Limiting Speed: 4,850 rpm grease. Precision Class: ISO Class 0. Internal Clearance: CN. Operating Temperature Range: -40 to 120 °C. Two set screws at 120° lock the extended inner ring to the shaft. The snap ring locates the cylindrical outer ring axially in its bore.

Mounting data

Set Screw: 1/4-28 UNF, two at 120°. Set Screw Position S: 15.9 mm. S1: 22.2 mm. Snap Ring Groove Diameter D1: 59.61 mm. Snap Ring Outside Diameter D2: 67.7 mm. Snap Ring Groove Width f: 2.05 mm. Groove Position a: 3.2 mm. Inner Ring Outside Diameter d4: 40.8 mm. Chamfer r, r1: 1.0 mm.

Quantity and configuration

Unit Quantity: 2 Pcs. Two insert bearings per purchase.

Interchange guidance

UCS206-102 is NTN’s cylindrical-OD insert for a 1-1/8 in shaft; it replaces other NTN UCS206-102 executions in the same bore and housing.