SKF6320-2ZJEMDeep Groove Ball Bearing – 100 mm Bore, 215 mm OD, 47 mm Width, Steel Shields, C3 Clearance

Product Description

What this part is

SKF 6320-2Z/C3 single-row deep groove ball bearing with pressed steel shields on both faces. Bore Diameter: 100 mm. Outside Diameter: 215 mm. Overall Width: 47 mm. Number Of Rows: 1. Rolling Elements: Ball. Bore Type: Cylindrical. Closure Type: Shielded both sides, non-contact. Cage Material: Pressed steel. Internal Clearance: C3. Lubricant: Grease. Bearing Material: Bearing steel. Item Weight: 7.17 kg (15.81 lb). Series: 63. Base Number: 6320.

Decoding the designation

6320 is the ISO 63 heavy series at a 100 mm bore. 2Z is a pressed steel shield on each face. C3 is radial internal clearance greater than normal. Written as 6320-2Z/C3, 6320-2ZJEM, 6320ZZC3 and 6320 2Z C3.

What these specs mean in practice

Dynamic Load Rating: 174,000 N. Static Load Rating: 140,000 N. Reference Speed: 6,700 rpm. Limiting Speed: 3,400 rpm. The 63 heavy section puts a large ball set in a thick cross-section, which is where a 174 kN dynamic rating on a 100 mm shaft comes from. The 2Z shields run with a small clearance rather than rubbing, holding the grease charge in without adding friction torque. C3 clearance leaves extra room at rest for the interference fit and the shaft-to-housing temperature difference to take up in service.

Quantity and configuration

Unit Quantity: 1 Pc. One bearing per sale unit, shielded on both faces and grease filled.

Mounting data

The 100 mm cylindrical bore seats on a plain shaft journal with an interference fit; the 215 mm outside diameter locates in the housing bore. At 7.17 kg the ring set is heavy enough that induction heating or a hydraulic fitting tool is the normal mounting method.

Interchange guidance

6320 is an ISO-pattern designation and the shield and clearance suffixes translate directly. Cross-Reference 1: FAG 6320-2Z-C3. Cross-Reference 2: NSK 6320ZZC3. Cross-Reference 3: NTN 6320ZZC3. Cross-Reference 4: Koyo 6320ZZC3. Cross-Reference 5: NACHI 6320ZZC3. On NSK, NTN, Koyo and NACHI the ZZ code means steel shields, matching SKF’s 2Z. Searchable forms: 6320-2Z/C3, 6320-2ZJEM, 6320ZZC3, 6320 2Z C3, 6320.