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Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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Bosch Rexroth R165321320 size 25 ball runner block, flanged long standard height (FLS), C1 low preload, accuracy H. Carbon steel, 37,300 N dynamic, 52,500 N static.
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| MFR / Brand | Rexroth |
|---|---|
| Model | R165321320 |
| Material | Carbon Steel |
|---|---|
| Type | Ball Runner Block |
| Series | KWD (legacy 1653) |
| Min Temp | -10 °C |
| Max Temp | +80 °C |
| Bearing Type | Ball Runner Block |
| Item Weight | 0.90 kg (1.98 lb) |
| Harmonization Code | 8482.10.50.68 |
| Industry Terms | linear guide carriage, ball rail runner block, profiled rail block, linear bearing block |
| Common Misspellings | R 165321320, Rexnord R165321320, R16532132O, Rexroth 1653 213 20 |
| Application Types | Machine tools, automation axes, gantries, linear actuators |
| Mpn Variants | R165321320, R1653-213-20, 1653-213-20, KWD-025-FLS-C1-H-1, 165321320 |
| Precision Class | H - High accuracy |
| Additional Attributes | Nominal Size: 25; Format: FLS flanged, long, standard height; Dynamic Load Rating 50 km: 47,000 N; Mt: 530 Nm; Mt0: 750 Nm; ML: 530 Nm; ML0: 740 Nm; Block Length: 107.9 mm; Block Width: 70 mm; Block Height: 29.9 mm; Height with Rail: 36 mm; Rail Pitch T: 60 mm; B1: 79.5 mm; Max Speed: 5 m/s; Max Acceleration: 500 m/s2; Without ball chain; Fits SNS/SNO size 25 rails |
| Dynamic Load Rating | 37,300 N |
| Static Load Rating | 52,500 N |
| Rolling Elements | Ball |
| Preload | C1 - Low preload (610 N) |
Bosch Rexroth R165321320 is a size 25 ball runner block, KWD-025-FLS-C1-H-1, for Rexroth ball rail systems. Flanged, long, standard-height body in carbon steel, low preload class C1, high accuracy class H, standard seal, supplied pre-lubricated with Dynalub 510 and without ball chain. Legacy part number 1653-213-20.
R165321320 — Bosch Rexroth material number.
KWD — Rexroth high-precision ball runner block.
025 — nominal size 25.
FLS — flanged width, long length, standard height.
C1 — low preload.
H — high accuracy class.
1653-213-20 — legacy Rexroth part number for the same size 25, class H, standard-width long runner block.
Nominal Size: 25. Dynamic Load Rating: 37,300 N (100 km travel life); 47,000 N (50 km). Static Load Rating: 52,500 N. Dynamic Torsional Moment Mt: 530 Nm. Static Torsional Moment Mt0: 750 Nm. Dynamic Longitudinal Moment ML: 530 Nm. Static Longitudinal Moment ML0: 740 Nm. Preload Force: 610 N. Block Length: 107.9 mm. Block Width: 70 mm. Block Height: 29.9 mm. Height with Guide Rail: 36 mm. Item Weight: 0.90 kg (1.98 lb). Maximum Speed: 5 m/s. Maximum Acceleration: 500 m/s². Operating Temperature: -10 to +80 °C. Seal: SS standard seal. The four-row O-arrangement carries equal load ratings in all four main load directions, and the long body adds moment capacity over the standard-length block.
Guide Rail Pitch T: 60 mm. Dimension B1: 79.5 mm. Attachments mount from above or below. Lube fittings with metal threads on all sides. Fits Rexroth SNS and SNO size 25 ball guide rails of any accuracy class.
Unit Quantity: 1 Pc. One runner block.
Current Rexroth designation KWD-025-FLS-C1-H-1 and legacy 1653-213-20 identify the same runner block.
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Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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