BOSTON GEAR Flange-Mount Ball Bearing Units
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C| Style | Model | Bore Dia. | Housing Material | Overall Width | Replacement Bearing | Duty Type | Length Through Bore | Bolt Circle Dia. | Housing Width | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | XL3-1 | - | Cast Ductile | 1 1/8" | NBG15-1 | Intermediate Duty | 1 1/16" , 1.0625" | 3" | 3/4" | €123.41 | |
| B | PS3-1 | - | Pressed Steel | 1 3/32" | NBG15-1 | Intermediate Duty | 1 1/16" , 1.0625" | 3" | 0.6719" | €68.96 | |
| B | ST-1 | - | Cast Iron | 1 9/16" | NBG25-1 | - | 1 9/16" | 3 57/64" | 1 1/4" | €156.82 | |
| B | 6T 11/4 S | 1 1/4" | Cast Iron | 2" | - | Standard Duty | - | 4 19/32" | 1 11/32" | €186.56 | |
| B | SF-1 | 1" | - | - | NBG25-1 | Standard Duty | 1 9/16" | - | - | €160.52 | |
| C | XL2-1 | 1" | - | - | NBG15-1 | Intermediate Duty | 1 1/8" | - | - | €121.06 | |
| B | PS3-1/2 | 1/2" | Pressed Steel | 0.9061" | NBG15-1/2 | Intermediate Duty | - | 2 1/2" | 0.563" | €55.00 | |
| B | MBP-2 | 2" | - | - | NBG35-2 | Medium Duty | - | - | - | €422.69 | |
| B | MBP-3 | 3" | - | - | NBG35-3 | Medium Duty | - | - | - | €926.66 | |
| B | XL2-3/4 | 3/4" | - | - | NBG15-3/4 | Intermediate Duty | 1 1/8" | - | - | €113.93 | |
| B | SF-3/4 | 3/4" | Cast Iron | 1.48438" | NBG25-3/4 | - | 1 31/64" | 3.536" | 1 7/32" | €142.90 | |
| B | PS3-3/4 | 3/4" | Pressed Steel | 0.9376" | NBG15-3/4 | Intermediate Duty | 0.984375" , 63/64" | 2 13/16" | 0.6094" | €66.51 | |
| B | PS2-3/4 | 3/4" | - | - | NBG15-3/4 | Intermediate Duty | - | - | - | €60.55 | |
| B | XL2-5/8 | 5/8" | - | - | NBG15-5/8 | Intermediate Duty | - | - | - | €104.48 | |
| B | SF-5/8 | 5/8" | Cast Iron | 1.26562" | NBG25-5/8 | - | 1 17/64" | 3" | 1 1/16" | €125.99 | |
| B | ST-7/8 | 7/8" | Cast Iron | 1 9/16" | NBG25-7/8 | - | 1 9/16" | 3 57/64" | 1 1/4" | €160.52 | |
| B | SF-7/8 | 7/8" | Cast Iron | 1 9/16" | NBG25-7/8 | - | 1 9/16" | 3 7/8" | 1 1/4" | €157.11 | |
| B | XL2-7/8 | 7/8" | Cast Ductile | 1 1/8" | NBG15-7/8 | Intermediate Duty | 1 1/16" , 1.0625" | 3" | 3/4" | €123.26 | |
| B | PS2-15/16 | 15/16" | Pressed Steel | 1.0938" | NBG15-15/16 | Intermediate Duty | 1 1/16" , 1.0625" | 3" | 0.6719" | €66.65 | |
| B | ST-15/16 | 15/16" | Cast Iron | 1 9/16" | NBG25-15/16 | Standard Duty | 1 9/16" | 3 57/64" | 1 1/4" | €157.11 |
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