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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Availability:
1 in stock
Four-bolt square flange ball bearing unit, 2-11/16 in bore, cast iron housing, eccentric locking collar, non-expansion, relubricatable, shroud seals.
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$160.81
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| MFR / Brand | Fafnir |
|---|---|
| MPN | RCJ2 11/16 |
| Model | RCJ-2-11/16 |
| ID | 2-11/16 in |
| Type | Flanged Mount Bearing |
|---|---|
| Relubrication | Relubricatable through the housing |
| Base Number | RCJ2 11/16 |
| Industry Terms | four bolt flange bearing; flange mount bearing unit; flanged bearing housing; eccentric collar bearing; mounted ball bearing; wide inner ring bearing unit; flange cartridge; bulkhead bearing |
| Common Misspellings | RCJ 2-11/16; RCJ2 1116; RCJ-211/16; RCJ2X11/16; Fafner RCJ2 11/16; Fafnier; Timkin RCJ2 11/16; RCJ2 11-16 |
| Application Types | Conveyors and bucket elevators; fans and blowers on bulkhead mounts; agricultural machinery; material handling equipment; grain and aggregate handling; general shaft support through a vertical face |
| Total Width | 63.5 mm (2.500 in) housing width A |
| Bolt Center To Center Length | 149.2 mm (5.874 in) |
| Bearing Insert Type | Ball |
| Bore Shaft Size | 2.6875 in (68.26 mm) |
| Housing Style | Four-bolt square flange |
| Locking Method | Eccentric locking collar |
| Replacement Insert | Timken Fafnir G1211KRRB wide-inner-ring ball bearing |
| Mpn Variants | RCJ2 11/16; RCJ-2-11/16; RCJ2-11/16; RCJ211/16; RCJ 2 11/16 |
| Manufacturer Status | Fafnir mounted bearings supplied under The Timken Company |
| Compatible With Replaces | Timken Fafnir RCJ2 11/16; same RCJ four-bolt flange family as RCJ2 and RCJ2 1/4 in adjacent bore sizes; RCJO2 11/16 is a DIFFERENT series (RYVS) and is not equivalent |
| Additional Attributes | Total length L 187.3 mm (7.374 in); housing width A 63.5 mm (2.500 in); flange thickness A1 19.1 mm (0.752 in); bolt hole size N 16 mm (0.63 in); bolt size M16; centre of bearing from housing end A2 45.1 mm (1.776 in); B1 85.6 mm (3.372 in); S1 45.3 mm (1.783 in); D 152.4 mm (6.000 in); E 90.3 mm (3.555 in); d1 96.8 mm (3.811 in); Timken SAP material ID 101776709 |
| Dynamic Load Rating | 69,000 N (15,500 lbf) per unit |
| Static Load Rating | 44,000 N (9,890 lbf) per unit |
| Rolling Elements | Ball |
| Bearing Type | Mounted ball bearing unit - four-bolt square flange |
| Relubrication Feature | Relubricatable through the housing |
| Series | Timken Fafnir RCJ four-bolt flanged mounted bearings (eccentric locking collar) |
| Part Number | RCJ2 11/16 |
| Material | Cast iron housing |
The Fafnir RCJ2 11/16 is a four-bolt square flange mounted ball bearing unit with a 2-11/16 in bore, a cast iron housing and an eccentric locking collar. Bore / Shaft Size: 2.6875 in (68.26 mm). Housing Style: Four-bolt square flange. Locking Method: Eccentric locking collar. Rolling Elements: Ball. Insert Bearing: Timken Fafnir G1211KRRB wide-inner-ring ball bearing. Seal Type: Shroud seal. Housing Material: Cast iron. US-made new old stock.
Dynamic Load Rating (C): 69,000 N (15,500 lbf), per unit. Static Load Rating (C0): 44,000 N (9,890 lbf), per unit. Both figures are published by Timken for one complete flange unit as supplied.
Total Length L: 187.3 mm (7.374 in). Housing Width A: 63.5 mm (2.500 in). Flange Thickness A1: 19.1 mm (0.752 in). Bolt Hole Spacing: 149.2 mm (5.874 in). Bolt Hole Size N: 16 mm (0.63 in). Bolt Size: M16. Centre of Bearing from Housing End A2: 45.1 mm (1.776 in). Dimension B1: 85.6 mm (3.372 in). Dimension S1: 45.3 mm (1.783 in). Dimension D: 152.4 mm (6.000 in). Dimension E: 90.3 mm (3.555 in). Dimension d1: 96.8 mm (3.811 in).
Expansion Type: Non-expansion (fixed). A fixed unit locates the shaft axially, so on a long shaft it pairs with an expansion unit at the far end. Four-bolt square flange units bolt to a vertical face or bulkhead, so the shaft runs perpendicular to the mounting surface. The eccentric collar locks by cam action and grips harder in the direction of rotation than a plain setscrew, which resists creep on a driven shaft. Relubrication: relubricatable through the housing.
Unit Quantity: 1 Pc. One complete flange unit, cast iron housing and insert bearing together.
Fafnir mounted bearings are supplied under The Timken Company. Alternate part name: RCJ211/16. Series: Fafnir Four-Bolt Flanged Mounted Bearings, Eccentric Locking Collar, Industrial. The RCJO2 11/16 belongs to the separate Timken RYVS four-bolt flanged series.
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