7/8 Inch ID Bearings Size Chart
7/8 Inch ID Bearings Size Chart
Reference dimensions for common bearing configurations with a 7/8 inch inner diameter. Models beginning with S indicate stainless steel variants. Confirm material, sealing and availability when ordering.
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Inch Series
| Type | Design | d (mm) | d (in) | D (mm) | D (in) | B (mm) | B (in) | Cr (N) | Cor (N) | Grease rpm | Oil rpm | Weight (g) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R14 | Standard | 22.225 | 7/8 | 47.625 | 1 7/8 | 9.525 | 3/8 | 12840 | 6651 | 15000 | - | 78 |
| R14-2RS | Standard | 22.225 | 7/8 | 47.625 | 1 7/8 | 12.700 | 1/2 | 12840 | 6651 | 15000 | - | 102 |
| R14-2Z | Standard | 22.225 | 7/8 | 47.625 | 1 7/8 | 12.700 | 1/2 | 12840 | 6651 | 15000 | - | 102 |
| SR14-2Z | Standard | 22.225 | 7/8 | 47.625 | 1 7/8 | 12.700 | 1/2 | 12840 | 6651 | 15000 | - | 102 |
| SR14-2RS | Standard | 22.225 | 7/8 | 47.625 | 1 7/8 | 12.700 | 1/2 | 12840 | 6651 | 15000 | - | 102 |
| RLS7 | Standard | 22.225 | 7/8 | 50.800 | 2 | 14.288 | 9/16 | 14500 | 7250 | 14000 | 18000 | 116 |
| RLS7-2Z | Standard | 22.225 | 7/8 | 50.800 | 2 | 14.288 | 9/16 | 14500 | 7250 | 14000 | 18000 | 116 |
| RLS7-2RS | Standard | 22.225 | 7/8 | 50.800 | 2 | 14.288 | 9/16 | 14500 | 7250 | 14000 | 18000 | 116 |
| RMS7 | Standard | 22.225 | 7/8 | 57.150 | 2 1/4 | 17.462 | 11/16 | 17800 | 8800 | 13000 | - | 210 |
Commercial Inch Series
| Type | d (mm) | d (in) | D (mm) | D (in) | B (mm) | B (in) | Cr (N) | Cor (N) | Weight (g) |
|---|---|---|---|---|---|---|---|---|---|
| S1640-2RS | 22.225 | 7/8 | 50.800 | 2 | 14.288 | 9/16 | 3990 | 2436 | 129 |
| 1640-2Z | 22.225 | 7/8 | 50.800 | 2 | 14.288 | 9/16 | 5700 | 3480 | 129 |
| S1640-2Z | 22.225 | 7/8 | 50.800 | 2 | 14.288 | 9/16 | 3990 | 2436 | 129 |
| 1640-2RS | 22.225 | 7/8 | 50.800 | 2 | 14.288 | 9/16 | 5700 | 3480 | 129 |
Special Dimension Bearings
| 2Z Type | 2RS Type | d (mm) | d (in) | D (mm) | B (mm) | Cr (N) | Cor (N) | Grease rpm | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|
| 6204-2Z-ID7/8 | 6204-2RS-ID7/8 | 22.225 | 7/8 | 47.000 | 14.000 | 12800 | 6600 | 15000 | 0.107 |
Stainless Steel Inch Deep Groove Ball Bearing
| Type | d (mm) | d (in) | D (mm) | D (in) | B (mm) | B (in) | Ball No | Ball Size (mm) | Ball Size (in) | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|
| S1640 2RS | 22.225 | 7/8 | 50.8 | 2 | 14.2748 | ~9/16 | 10 | 6.35 | 1/4 | 0.1120 |
SR Series Inch Bearing
| Type | d (mm) | d (in) | D (mm) | D (in) | B (mm) | B (in) | Ball No | Ball Size (mm) | Ball Size (in) | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|
| SR14 OPEN | 22.225 | 7/8 | 47.625 | 1 7/8 | 9.525 | 3/8 | 10 | 6.350 | 1/4 | 0.071 |
| SR14 ZZ | 22.225 | 7/8 | 47.625 | 1 7/8 | 12.7 | 1/2 | 10 | 6.350 | 1/4 | 0.071 |
Stainless Steel Insert Bearing
| Type | Series | d (in) | D (mm) | Cr (kN) | Cor (kN) | Weight (kg) |
|---|---|---|---|---|---|---|
| SUC205-14 | SUC | 7/8 | 52 | 11.31 | 6.00 | 0.22 |
| SA205-14 | SA | 7/8 | 52 | 11.31 | 5.97 | 0.21 |
| SB205-14 | SB | 7/8 | 52 | 11.31 | 5.97 | 0.18 |
Mounted Bearing Unit References
| Type | Housing Style | Insert Bearing | d (in) | Cr (N) | Cor (N) |
|---|---|---|---|---|---|
| UCF205-14 | Four-Bolt Square Flange | UC205-14 | 7/8 | 14000 | 7850 |
| UCP205-14 | Pillow Block | UC205-14 | 7/8 | 14000 | 7850 |
| UCFL205-14 | Two-Bolt Oval Flange | UC205-14 | 7/8 | 14000 | 7850 |
