Applications:

• 146RB-1A-1 – For sewing medium to heavy weight fabrics that are difficult to feed when sewn.
  • For such materials and products as wet suits, shoes, boots, leather, tarpaulins. Federal Stitch 304.
• 146RB-2A-1 – Three step/two stitch zig-zag.
  • For sewing elastic and other stretch materials.
  • For stitching such products as boat and truck covers, tents, awnings, sails, parachutes, tarpaulins and similar products.
  • Used on such materials as canvas, nylon, vinyl, leather, synthetics and similar materials.
  • Especially desirable where reinforced stitch is necessary. Federal Stitch 308.
• 146RB-3A-1 – Four step/three stitch zig-zag.
  • Performs similar operations as Model 146RB-2A with the added advantage of making an additional stitch for extra reinforcement.
• 146RBL – Same subclasses as above but the long arm. Long arm can be special ordered up to 30″.

Features:

• Large bobbin and horizontal axis transverse rotary hook
• Upper feed mechanism helps avoid slippage when sewing
• Stitches per minute – 2500 *
• Wide zig-zag
• Reverse stitching

Specifications:

• Speed, Max. (S.P.M.): 2500 *
• Clearance Under Foot: 25/64″ (10 mm)
• Needle Bar Stroke: 1-11/32″ (34 mm)
• Stitch Length, Max. 5 s.p.i. (5 mm)
• Needle: 135 x 17
• Bobbin:
  • Metal: 212034 · 312
  • Pre-wound: M
• Bed Size: (146RB-1A-1) 7″ x 18-7/8″ (178 x 480 mm)
• Work Space: (146RB-1A-1) 10″ (255 mm)
• Zig-Zag Stitch Width, Max: 3/8″ (9.5 mm)

* Speed depends on thread, material and operation.