Product Description
The THK SR30TB1SS(GK) is a size 30 radial-type LM (Linear Motion) guide carriage from THK's SR Series. It features a wide TB-type block with four rows of caged recirculating balls set at a 90-degree contact angle, providing high radial load capacity in a compact, low-profile design ideal for horizontal positioning applications. The "SS" designation indicates full contamination protection with end seals, side seals, and inner seals, and the "(GK)" suffix denotes that a grease nipple kit is included.
⚠️ BRAND ALERT: This part number (SR30TB1SS(GK)) is a THK product — NOT a Numatics product. Numatics is a pneumatic valve and cylinder manufacturer. All verified sources confirm SR30TB1SS(GK) is manufactured by THK Co., Ltd. Please verify the brand on the physical product label before listing.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | THK (NOT Numatics — see Brand Alert above) |
| Model / Part Number | SR30TB1SS(GK) |
| Series | SR (Radial-Type LM Guide) |
| Product Type | Linear Guide Carriage (LM Block) |
| Size Number | 30 |
| Rail Width (Compatible Rail) | 30 mm |
| Inner Dimension / Rail Fit (d) | 28 mm |
| Carriage Width (Outer / D) | 90 mm |
| Carriage Length (B) | 42 mm |
| Bolt Hole Pitch | 80 mm |
| Block Type | TB — Wide Block, Bottom-Mount (Flanged Through Holes) |
| Number of LM Blocks on Rail | 1 |
| Ball Contact Angle | 90 degrees (Radial Type) |
| Number of Ball Rows | 4 |
| Ball Retainer | Caged Balls (Retainer Plate) |
| Seal Type (SS) | End Seal + Side Seal + Inner Seal (Full Protection) |
| Grease Nipple Kit | Included (GK) |
| Weight | 1.1 kg |
| Orientation / Application | Horizontal Positioning (Radial Load Optimized) |
| Compatible Rail Model | THK SR30 Series Rail |
| Material | Alloy Steel / Stainless Steel Seals |
We warranty all items for 30 days from date of purchase.
